List of products by brand OS2O

A first layer with very high thermal protection that combines the best of two fabrics: the thermoregulation and natural antibacterial properties of merino wool with the adaptability and ventilation of Polar Stretch Grid® fabric. Positioned in strategic areas, they create a warm, comfortable, and highly versatile garment. The feature you'll appreciate the most is its built-in neck gaiter, which prevents cold from entering through the neck and, thanks to its length, can also be worn as a hat, keeping you warm and protected at all times. Ideal for FAST&LIGHT activities in severe cold conditions.

FAST&LIGHT - 286 g.  (S)

A mid-layer for FAST&LIGHT activities in cold conditions. With its innovative asymmetric zipper design, it prevents discomfort even after many hours of activity. Its hood, meticulously designed, features a multifunctional neck that can be used as a mask to protect the mouth and nose in the most extreme conditions. It has two chest pockets for quick access to gear. The ¾ zipper reduces weight and facilitates harness use. Pair it with other W-Series garments and discover the lightest and most functional way to tackle the mountains.

FAST&LIGHT - 351 g.  (S)

A lightweight insulating technical garment for FAST&LIGHT activities in cold conditions, known for its excellent weight/insulation ratio and high compressibility. With its innovative asymmetric zipper design, it prevents discomfort even when worn for long hours. The short-sleeve design maximizes arm maneuverability and freedom. It features two chest pockets for easy access to gear. Its ¾ zipper reduces weight and facilitates harness use.

The outer fabric offers excellent wind and rain resistance (PFC-Free), which, combined with the Sorona® bio-synthetic fill panels (80 gr/m2 in the chest and back, 60 gr/m2 in the neck and arms), ensures thermal protection and optimal breathability. Pair it with other W-Series garments (compatible zippers between layers) and discover the lightest and most functional way to tackle the mountains. Ideal as a mid-layer over the W-Series Merino Baselayer or as an insulating layer over the W-Series Stretch Pullover.

FAST&LIGHT - 233 g.  (S)

A lightweight insulating technical garment for FAST&LIGHT activities in cold conditions, known for its excellent weight/insulation ratio and high compressibility. With its innovative asymmetric zipper design, it prevents discomfort even when worn for many hours. It features two large chest pockets for quick access to gear. The forearm, with a more fitted pattern and elastic panel construction, provides great freedom of movement. Its ¾ zipper shaves off valuable grams while making it easier to use with a harness.

The outer fabric offers excellent wind and rain resistance (PFC-Free), which, combined with the Sorona® bio-synthetic fill panels (100 gr/m2 in the chest and 80 gr/m2 in the back, arms, and hood), ensures thermal protection and optimal breathability. Pair it with other W-Series garments (compatible zippers between layers) and discover the lightest and most functional way to tackle the mountains. Perfect as a mid-layer over the W-Series Merino Baselayer or as an insulating layer over the W-Series Stretch Pullover. 

FAST&LIGHT - 336 g.  (S)

A high-performance insulating garment for FAST&LIGHT activities in severe cold conditions, known for its very high thermal efficiency. It features two zippered pockets and two large exterior elastic pockets to carry gear in the easiest and quickest way possible, even with a harness.

Its outer fabric offers excellent wind and rain resistance (PFC-Free), which, combined with the Sorona® bio-synthetic fill panels (200 gr/m2 in the chest and 100 gr/m2 in the back, arms, and hood), ensures very high thermal protection and optimal breathability. The hood and articulated sleeves with elastic panels provide maximum mobility without any restriction.

Pair it with other W-Series garments (compatible zippers) and discover the lightest and most functional way to tackle the mountains. 

FAST&LIGHT - 528 g.  (S)

Technical pants for FAST&LIGHT winter activities, combining the best of our STORMFLEECE™ PRO All Weather Resistant fabric, windproof, water-repellent, highly breathable, and thermally insulating, with bio-synthetic Sorona® fill panels (100 gr/m2) in strategic front and back areas, ensuring thermal protection and optimal breathability at a minimal weight. A revolutionary concept for winter activities in cold conditions where every gram makes a difference. Pair it with the W-Series Waterproof Shell pants for winter mountaineering activities on rainy or snowy days.

FAST&LIGHT - 268 g.  (S)

When conditions get tough, you need maximum protection, and that's where the W-Series Waterproof Shell Jacket will help you bring out the best in yourself. It is a lightweight, 3-layer waterproof/breathable technical layer, designed for FAST&LIGHT mountaineering in the most demanding environments. Its ¾ asymmetric zipper and innovative hood design will protect you from wind and storms, even while wearing a helmet. The front zipper with a double slider not only allows you to access the inner pockets but also provides ventilation when the activity intensifies.

Made with the 3-layer eVent® DVStorm™ membrane, it offers exceptional protection with a waterproof rating of 20,000 mm water column and breathability of 30,000 g/m²/24h MVTR, keeping you dry and comfortable during high-intensity activities.

Notable features include fully taped seams, an ultra-enveloping hood that fits perfectly over a helmet, and two large chest pockets for quick access. It also features interior pockets and waterproof YKK™ AquaGuard® zippers for added moisture protection. Its ultralight construction and excellent weather protection make the W-Series Waterproof Shell Jacket ideal for FAST&LIGHT activities. Pair it with other items from the W-Series collection and discover the lightest and most functional way to tackle the mountains.

FAST&LIGHT - 320 g.  (S)

When conditions get tough, you need maximum protection, and that's where the W-Series Waterproof Shell Pants help you perform at your best. These lightweight 3-layer waterproof/breathable technical pants are designed for FAST&LIGHT alpinism. Crafted with the eVent® DVStorm™ 3-layer membrane, they provide exceptional protection with 20,000 mm water column waterproofing and 30,000 g/m²/24h MVTR breathability, keeping you dry and comfortable during high-intensity activities.

It features a wide, waterproof YKK™ AquaGuard® side zipper with a double slider, allowing for quick access with boots and ventilation of the leg during intense activities.

Its fully taped seams and a highly durable Kevlar fabric on the hem are standout features. Its ultralight construction and excellent weather protection make the W-Series Waterproof Shell Pants ideal for FAST&LIGHT activities. Pair it with other items from the W-Series collection (perfect over the W-Series Meteor Insulated pants) and discover the lightest and most functional way to tackle the mountains. 

FAST&LIGHT - 317 g.  (S)

The W-Series pants/suit for alpinism in extreme high-altitude activities. Ready for the cold? Our W-Series Alpine Suit pants feature an insulated bottom/legs and a top made from Polar Stretch Grid® fabric in the form of overalls, providing you with extra warmth. The top has two pockets, which, when combined with other pieces from the W-Series collection, allow you to keep everything accessible in the chest area, protected from the cold even while wearing a harness. The Kevlar fabric on the knees, lower legs, and back ensures durability against abrasions from rock/ice. 

The outer fabric offers excellent wind and rain resistance (PFC-Free), and when combined with the Sorona® bio-synthetic fill panels (160 gr/m2), it guarantees thermal protection and optimal breathability. Pair it with other items from the W-Series collection to discover the lightest and most functional way to tackle the mountains. Ideal to wear over the W-Series Merino Base Layer t-shirt. Combine it with the W-Series Waterproof Shell Pants for the perfect combination of cold protection and waterproofing. Designed for very high-altitude activities in extremely cold temperatures. 

FAST&LIGHT - 642 g.  (S)

The O2 Waterproof SPEED ZIP is a competition jacket designed for those who seek maximum functionality with minimum weight, ideal for athletes looking to save precious seconds during their races. Its innovative design allows it to be worn directly over a backpack or trail vest thanks to a rear zippered gusset that perfectly adapts to the size of the gear, ensuring freedom of movement and uninterrupted protection.

Weighing only 167 grams, this jacket combines extreme lightness with outstanding performance. Made with the O2 30K 2.5-layer membrane, it guarantees 20,000 mm waterproofing and an exceptional breathability of MVTR: 30,000 g/(m²·24h), ideal for high-intensity activities in adverse conditions. Fully taped seams, YKK™ Coil AquaGuard® zippers, and its packable design make the O2 Waterproof SPEED ZIP an essential choice for the most demanding competitors. Its hood with a 3-point adjustment system and flexible visor provides additional protection against wind and rain, while its technical cut is designed to optimize performance in every second of the race.

Perfect for those who value every detail, this jacket offers advanced technology and functional features designed to maximize efficiency in the mountains, even in the most challenging conditions.

FAST&LIGHT - 167g (S)

The O2 Waterproof SPEED ZIP is a competition jacket designed for those who seek maximum functionality with minimum weight, ideal for athletes looking to save precious seconds during their races. Its innovative design allows it to be worn directly over a backpack or trail vest thanks to a rear zippered gusset that perfectly adapts to the size of the gear, ensuring freedom of movement and uninterrupted protection.

Weighing only 167 grams, this jacket combines extreme lightness with outstanding performance. Made with the O2 30K 2.5-layer membrane, it guarantees 20,000 mm waterproofing and an exceptional breathability of MVTR: 30,000 g/(m²·24h), ideal for high-intensity activities in adverse conditions. Fully taped seams, YKK™ Coil AquaGuard® zippers, and its packable design make the O2 Waterproof SPEED ZIP an essential choice for the most demanding competitors. Its hood with a 3-point adjustment system and flexible visor provides additional protection against wind and rain, while its technical cut is designed to optimize performance in every second of the race.

Perfect for those who value every detail, this jacket offers advanced technology and functional features designed to maximize efficiency in the mountains, even in the most challenging conditions.

FAST&LIGHT - 167g (S)

The O2 Waterproof Trail 30K PRO Jacket is the ultimate jacket for those seeking to combine lightness, breathability, and protection in trail running. Weighing just 148 grams, this waterproof jacket is 100% windproof and designed to perform at its best in adverse conditions.

Made with the innovative O2 30K 2.5-layer membrane, it guarantees 20,000 mm waterproofing and exceptional breathability of MVTR: 30,000 g/(m²·24h), ensuring comfort even during high-intensity activities (see test). Fully taped seams, waterproof YKK™ Coil AquaGuard® zippers, and the ability to pack into its own pocket make it an easy and practical choice.

The hood features a 3-point adjustment system and a flexible visor for additional protection, while its ultralight and technical design is tailored to optimize performance for mountain runners.

Perfect for rainy or windy days, this jacket combines advanced technology with functional details to ensure an unbeatable trail running experience.

FAST&LIGHT - 148g (S)

The O2 Waterproof Trail 30K PRO Jacket is the ultimate jacket for those seeking to combine lightness, breathability, and protection in trail running. Weighing just 148 grams, this waterproof jacket is 100% windproof and designed to perform at its best in adverse conditions.

Made with the innovative O2 30K 2.5-layer membrane, it guarantees 20,000 mm waterproofing and exceptional breathability of MVTR: 30,000 g/(m²·24h), ensuring comfort even during high-intensity activities (see test). Fully taped seams, waterproof YKK™ Coil AquaGuard® zippers, and the ability to pack into its own pocket make it an easy and practical choice.

The hood features a 3-point adjustment system and a flexible visor for additional protection, while its ultralight and technical design is tailored to optimize performance for mountain runners.

Perfect for rainy or windy days, this jacket combines advanced technology with functional details to ensure an unbeatable trail running experience.

FAST&LIGHT - 148g (S)

The O2 Waterproof Trail 30K PRO Jacket is the ultimate jacket for those seeking to combine lightness, breathability, and protection in trail running. Weighing just 148 grams, this waterproof jacket is 100% windproof and designed to perform at its best in adverse conditions.

Made with the innovative O2 30K 2.5-layer membrane, it guarantees 20,000 mm waterproofing and exceptional breathability of MVTR: 30,000 g/(m²·24h), ensuring comfort even during high-intensity activities (see test). Fully taped seams, waterproof YKK™ Coil AquaGuard® zippers, and the ability to pack into its own pocket make it an easy and practical choice.

The hood features a 3-point adjustment system and a flexible visor for additional protection, while its ultralight and technical design is tailored to optimize performance for mountain runners.

Perfect for rainy or windy days, this jacket combines advanced technology with functional details to ensure an unbeatable trail running experience.

FAST&LIGHT - 148g (S)

Superior protection for ski mountaineering and alpine conditions in extreme cold: the Insulation Pants are full-length overpants designed to provide maximum thermal insulation and durability. Made from durable, 100% windproof nylon, they feature 80 g Sorona® DuPont® fiber fill for optimal heat retention. Full-length YKK® Vislon™ side zippers along the legs allow for fast and easy use, even with boots on, reducing dressing time to seconds. The water-repellent (DWR) outer finish and reinforced lower sections provide extra protection against abrasion from boots and skis. Ideal as a complementary layer over high-performance pants for your most demanding winter adventures.

FAST&LIGHT - 248g  (XS)

The Cyclone Jacket is a 3-layer waterproof/breathable technical shell, designed for alpine climbing and ski mountaineering in the most demanding environments. Made with the eVent® DVStorm™ 3-layer membrane, it provides exceptional protection with a 20,000 mm water column rating and breathability of 30,000 g/m²/24h MVTR, keeping you dry and comfortable during high-intensity activities.

Key features include fully taped seams, an ultra-enveloping hood that fits perfectly over helmets, and two large chest pockets for quick access. It also has interior pockets and YKK™ Vislon AquaGuard® waterproof zippers for enhanced moisture protection. With its ultra-lightweight build and outstanding weather protection, the Cyclone Jacket is the ideal companion for intense alpine adventures in adverse conditions. Lightweight, reliable, and high-performance.

FAST&LIGHT - 393 g.  (S)

The Cyclone Jacket is a 3-layer waterproof/breathable technical shell, designed for alpine climbing and ski mountaineering in the most demanding environments. Made with the eVent® DVStorm™ 3-layer membrane, it provides exceptional protection with a 20,000 mm water column rating and breathability of 30,000 g/m²/24h MVTR, keeping you dry and comfortable during high-intensity activities.

Key features include fully taped seams, an ultra-enveloping hood that fits perfectly over helmets, and two large chest pockets for quick access. It also has interior pockets and YKK™ Vislon AquaGuard® waterproof zippers for enhanced moisture protection. With its ultra-lightweight build and outstanding weather protection, the Cyclone Jacket is the ideal companion for intense alpine adventures in adverse conditions. Lightweight, reliable, and high-performance.

FAST&LIGHT - 393 g.  (S)

The Warmfit Neckwarmer is a high-performance neck gaiter designed for medium to high-intensity activities in cold climates. Its lower band, made of Polar Stretch Grid fabric, provides additional thermal insulation for the lower neck and chest, keeping you protected even in demanding conditions. The upper section, crafted from 100% merino wool, offers natural warmth, excellent breathability, and optimal performance for areas like the chin and mouth, even when wet. With a soft touch and great elasticity, the Warmfit Neckwarmer is a versatile and essential accessory for any mountain activity on cold days.

FAST&LIGHT -  

The Warmfit Neckwarmer is a high-performance neck gaiter designed for medium to high-intensity activities in cold climates. Its lower band, made of Polar Stretch Grid fabric, provides additional thermal insulation for the lower neck and chest, keeping you protected even in demanding conditions. The upper section, crafted from 100% merino wool, offers natural warmth, excellent breathability, and optimal performance for areas like the chin and mouth, even when wet. With a soft touch and great elasticity, the Warmfit Neckwarmer is a versatile and essential accessory for any mountain activity on cold days.

FAST&LIGHT -  

The Warmfit Merino Hat is a high-performance beanie designed for medium to high-intensity activities in cold climates. Combining protection and comfort, its lower band made of Polar Stretch Grid fabric provides extra thermal insulation for the forehead and ears. The upper section, crafted from 100% merino wool, ensures natural warmth, excellent breathability, and reliable performance even in wet conditions. Its soft touch and elasticity make it a versatile and comfortable accessory, a must-have for those seeking lightweight functionality on cool days.

FAST&LIGHT -  

The Warmfit Merino Hat is a high-performance beanie designed for medium to high-intensity activities in cold climates. Combining protection and comfort, its lower band made of Polar Stretch Grid fabric provides extra thermal insulation for the forehead and ears. The upper section, crafted from 100% merino wool, ensures natural warmth, excellent breathability, and reliable performance even in wet conditions. Its soft touch and elasticity make it a versatile and comfortable accessory, a must-have for those seeking lightweight functionality on cool days.

FAST&LIGHT -  

The AIRLITE T-Shirt is an ultra-lightweight, seamless shirt designed for maximum comfort and performance. Made from 100% Dryarn®, a cutting-edge polypropylene fiber, this shirt excels in breathability and thermal insulation, keeping your body dry even during intense activities. Weighing just 75 grams, it’s perfect as a base layer in cold conditions or as an outer layer in mild or warm climates. This shirt is ideal for trail running, mountaineering, and skimo, where weight and performance are crucial.

FAST&LIGHT - 75g (S)

The AIRLITE T-Shirt is an ultra-lightweight, seamless shirt designed for maximum comfort and performance. Made from 100% Dryarn®, a cutting-edge polypropylene fiber, this shirt excels in breathability and thermal insulation, keeping your body dry even during intense activities. Weighing just 75 grams, it’s perfect as a base layer in cold conditions or as an outer layer in mild or warm climates. This shirt is ideal for trail running, mountaineering, and skimo, where weight and performance are crucial.

FAST&LIGHT - 75g (S)

The Speedlite Gloves are lightweight and versatile trail running gloves. Made with a double layer fabric, the outside layer made of elastane offers a great fit while the inner  microfleece guarantees a soft touch and breathability. The result of this combination is a warm and comfortable running glove. They also feature a silicone design for an improved grip. Touch-screen compatible.

Merino wool toe socks designed to offer maximum comfort and performance for your outdoor adventures. Made with a blend of merino wool, nylon, and spandex, these socks provide a soft and warm feel, along with excellent moisture management. Merino wool ensures superb temperature control, keeping your feet cool in warm climates and warm in cold weather, along with natural odor resistance, ideal for long days of activity. The anatomical toe design enhances mobility and reduces friction between toes, preventing blisters and chafing. The high cuff protects the Achilles tendon, prevents shoe rubbing, and keeps gravel or mud out. Additionally, Nylon® and Spandex provide durability and elasticity for a secure and comfortable fit. Perfect for hiking, mountaineering, and other outdoor activities.

FAST&LIGHT - 54g (S)

Lightweight mid-height toe socks specifically designed for running and trail running in moderate to high temperatures. The Air Mesh Toe Socks allow for natural toe separation, preventing blisters and promoting freer, more comfortable movement. The front of the cuff and instep are equipped with high-efficiency breathable mesh, maximizing ventilation to keep feet cool and dry, while the back provides a precise fit, ensuring stability and comfort with every step. Made with 67% Nylon, they offer excellent abrasion resistance and durability, combined with Coolmax® fiber for effective heat and moisture management, providing comfort on asphalt and mountain terrains. A technical sock that optimizes performance, built to withstand both intense training and long distances.

FAST&LIGHT - 25g (S)

Lightweight mid-height toe socks specifically designed for running and trail running in moderate to high temperatures. The Air Mesh Toe Socks allow for natural toe separation, preventing blisters and promoting freer, more comfortable movement. The front of the cuff and instep are equipped with high-efficiency breathable mesh, maximizing ventilation to keep feet cool and dry, while the back provides a precise fit, ensuring stability and comfort with every step. Made with 67% Nylon, they offer excellent abrasion resistance and durability, combined with Coolmax® fiber for effective heat and moisture management, providing comfort on asphalt and mountain terrains. A technical sock that optimizes performance, built to withstand both intense training and long distances.

FAST&LIGHT - 25g (S)

The WindBlock Pro gloves are designed for mountain athletes seeking lightweight thermal protection and maximum comfort in cold conditions. With a warm inner lining, they offer an excellent balance between lightness and insulation, ideal for mountaineering, skimo, and other winter activities. Their non-slip leather palm provides superior grip, while touchscreen-compatible fingers allow for device use without removing the gloves. The Velcro wrist closure ensures a secure and precise fit. Perfect for those looking for windproof gloves with an outstanding weight-to-warmth ratio, delivering protection, comfort, and ergonomic fit on every mountain adventure.

FAST&LIGHT - 98g (S)

Technical and ultra-light shirt without sleeves designed for keep you cool and dry in competitions and high demand trainings. Made in fabric of Cool2Dry® pierced that thanks to its air channels provides extra ventilation and improves heat dissipation in moments of great effort; in addition, it offers a soft touch in contact with the skin. Ideal for intense activities in high temperatures.

FAST&LIGHT - 60g

Technical and ultra-light shirt without sleeves designed for keep you cool and dry in competitions and high demand trainings. Made in fabric of Cool2Dry® pierced that thanks to its air channels provides extra ventilation and improves heat dissipation in moments of great effort; in addition, it offers a soft touch in contact with the skin. Ideal for intense activities in high temperatures.

FAST&LIGHT - 60g

The WindBlock Lite gloves are lightweight, windproof gloves designed for aerobic activities in mild climates, providing ideal protection for trail running and mountaineering in moderate temperatures. Perfect for athletes seeking a minimalist glove with excellent breathability, secure grip, and a comfortable, ergonomic fit. The non-slip palm ensures reliable control on varied terrain, and touchscreen-compatible fingertips allow the use of mobile devices without removing the gloves. Lightweight, functional, and comfortable, they’re the perfect companion for every outdoor adventure.  

FAST&LIGHT - 58g (S)

The Vulcan mittens are designed for athletes facing extreme temperatures in high mountain conditions, providing maximum insulation and protection against the cold. They are ideal for altitudes between 6000 and 7000 meters or for those seeking exceptional warmth in blizzard conditions and during ski descents. Equipped with the advanced eVent® BIO membrane (19k/25k), these mittens are waterproof, breathable, and windproof, ensuring that your hands stay dry and warm.

The Sorona® insulation provides superior warmth with 400g in the back and 100g in the palm, blocking the cold from reaching every part of your hands. The reinforced leather palm ensures durability and a firm grip, while the extra warm lining in the back adds additional comfort in extreme temperatures. These mittens are the ideal choice for those who do not want to risk being without protection, keeping your fingers warm even in the most challenging conditions.  

FAST&LIGHT - 209g (S)

The Skeleton gloves are high-performance waterproof gloves designed to provide maximum protection and comfort for high-altitude winter activities, ideal for extreme cold, snow, and wind conditions. Equipped with the advanced eVent® BIO membrane, they offer waterproof, breathable, and windproof protection to keep your hands dry and warm. Their 100g Sorona® insulation ensures optimal warmth, maintaining heat at all times.

The goat leather palm with reinforcements provides durability and a secure grip, even on wet or slippery surfaces. Additionally, the ultra-durable palm material offers superior adhesion, while the index and thumb are touchscreen-compatible, allowing you to use devices without removing the gloves. The exclusive FLEXOR® technology delivers exceptional finger mobility, combining protection and dexterity for any mountain activity.  

FAST&LIGHT - 169g (S)

The Lining Gloves are designed to deliver maximum comfort during outdoor aerobic activities, such as trail running, particularly in mild climates and moderate temperatures. They can also be used as inner gloves in very cold conditions. Their thin, stretchy design offers excellent freedom of movement, while the breathable fabric ensures optimal ventilation, preventing heat and sweat buildup in your hands.

The silicone-coated palm provides a secure grip at all times, even on wet or slippery surfaces. Additionally, the touchscreen-compatible fingertips allow you to use devices without removing the gloves. These gloves are the perfect choice for athletes and outdoor enthusiasts seeking a versatile, functional glove to enhance every workout or adventure.  

FAST&LIGHT - 38g (S)

Lightweight waterproof gloves for mountaineering and winter activities. Designed for those seeking a waterproof glove that combines high protection against water and abrasion with maximum grip and hand feel. It features a super adhesive leather palm with reinforced areas for use with ropes. The HDry® membrane (19k/30k) and its patented lamination technology bond all the layers of the glove, preventing water from entering while providing excellent breathability and finger dexterity. Combined with its ultra-resistant Nylon exterior fabric, this guarantees exceptional durability.

A high-performance glove for FAST&LIGHT alpine activities.

FAST&LIGHT - 103g (S)

The O2 Waterproof Trail jacket 30k is a waterproof jacket, extremely breathable, ultra lightweight and 100% windproof for women. It is a garment designed for trail running and fast activties with a weight of only 173 grams. Manufactured with the new O2 30K membrane of 2.5 layers which offers a guaranteed (test) waterproof protection of 20,000 mm and a transpiration capacity of MVTR: 30,000 g/ ((m2·24h). 100% heat sealed seams, waterproof zippers from YKKTM AquaGuard®.

A carefully crafted garment designed to protect trail runners under the most adverse conditions without affecting their performance.

FAST&LIGHT - 160g (XS)

The O2 Waterproof Trail jacket 30k is a waterproof jacket, extremely breathable, ultra lightweight and 100% windproof for women. It is a garment designed for trail running and fast activties with a weight of only 173 grams. Manufactured with the new O2 30K membrane of 2.5 layers which offers a guaranteed (test) waterproof protection of 20,000 mm and a transpiration capacity of MVTR: 30,000 g/ ((m2·24h). 100% heat sealed seams, waterproof zippers from YKKTM AquaGuard®.

A carefully crafted garment designed to protect trail runners under the most adverse conditions without affecting their performance.

FAST&LIGHT - 160g (XS)

Ultralight and breathable technical shirt without sleeves designed as underwear for very high intensity activities and competitions. What. Manufacture from fabric Effepi Avatar it combines microfiber from polyester and elastane, weighing just 75 grams. /m2 , the Race Day T-shirt fits smoothly like a second skin to let out moisture generated by the body and keep it cool and dry. Its microperforations enhance ventilation while providing greater elasticity in all 4 directions for better fit. A first layer that ensures light thermal protection, quick drying and comfort for days when moving fast is a priority.  

FAST&LIGHT - 45 grams

Recycled synthetic down jacket, ultralight and compact, which seeks to provide an insulation/weight ratio equivalent to traditional down jackets, but being animal-free and of recycled origin. Designed for mountaineering FAST&LIGHT and mountain skiing, even in humid conditions. It has been made using two extremely light and resistant Gelanots® fabrics, strategically located in search of greater resistance to friction or lightness. Its high insulating capacity is provided by the 100% recycled synthetic filling of Thermore® Ecodown® Fibers together with High Loft panels combined by thermographic techniques in areas where greater insulation (chest, back, shoulders) or maneuverability (forearms, hood) is required.

It offers very high thermal resistance (even in wet conditions), wind resistance, water resistance (free of PFCs), foldability, breathability in an extremely light weight of 330 grams, more than responding to the vision of its creator, Oswaldo Rivera, a step beyond in FAST&LIGHT design: lightness, high functionality and sustainability.

ISPO Prize 2023 in the mountain textile category.

FAST&LIGHT - 330 grams (S)

Ultra light cool and very breathable trail running cap designed for high intensity mountain activities. Rigid visor that offers a higher protection during all day long. Built with Cool2Dry® yarn reinforced by laser cut ventilations, it is very light and quick dry providing a cool and ventilated feeling while protecting from sun, wind and rain.

FAST&LIGHT - 50g

Ultra light cool and very breathable trail running cap designed for high intensity mountain activities. Rigid visor that offers a higher protection during all day long. Built with Cool2Dry® yarn reinforced by laser cut ventilations, it is very light and quick dry providing a cool and ventilated feeling while protecting from sun, wind and rain.

FAST&LIGHT - 50g

Ultra light cool and very breathable trail running cap designed for high intensity mountain activities. Rigid visor that offers a higher protection during all day long. Built with Cool2Dry® yarn reinforced by laser cut ventilations, it is very light and quick dry providing a cool and ventilated feeling while protecting from sun, wind and rain.

FAST&LIGHT - 50g

Ultra light cool and very breathable trail running cap designed for high intensity mountain activities. Rigid visor that offers a higher protection during all day long. Built with Cool2Dry® yarn reinforced by laser cut ventilations, it is very light and quick dry providing a cool and ventilated feeling while protecting from sun, wind and rain.

FAST&LIGHT - 50g

Technical mountain trousers which aims to provide a total freedom of movement, together with resistance and ventilation. Manufacture in fabric DYNAMIC® Two-Sided Stretch, elastic in all directions, breathable and provides a soft yet tough feel. The Cosmic pants have a technical configuration: their pockets are compatible with harness, Custom-Width quick belt adjustment, adjustable ankle tanks and Action Fit pattern ideal for medium and high mountain activities at medium temperatures. Lightweight all-terrain pants, very versatile, adaptable and durable.

FAST&LIGHT - 320 grams (S)

Technical mountain trousers which aims to provide a total freedom of movement, together with resistance and ventilation. Manufacture in fabric DYNAMIC® Two-Sided Stretch, elastic in all directions, breathable and provides a soft yet tough feel. The Cosmic pants have a technical configuration: their pockets are compatible with harness, Custom-Width quick belt adjustment, adjustable ankle tanks and Action Fit pattern ideal for medium and high mountain activities at medium temperatures. Lightweight all-terrain pants, very versatile, adaptable and durable.

FAST&LIGHT - 320 grams (S)

Mid-height toe socks for running and trail running, protect against the appearance of blisters and allow the natural separation of the toes. The Trail&Run MID Toe Socks combine abrasion resistance thanks to its high Nylon component (67%) with very good heat and moisture management thanks to the Coolmax® fiber. A technical sock that offers high performance and durability both on asphalt and in the mountains.

Mid-height toe socks for running and trail running, protect against the appearance of blisters and allow the natural separation of the toes. The Trail&Run MID Toe Socks combine abrasion resistance thanks to its high Nylon component (67%) with very good heat and moisture management thanks to the Coolmax® fiber. A technical sock that offers high performance and durability both on asphalt and in the mountains.

Mid-height toe socks for running and trail running, protect against the appearance of blisters and allow the natural separation of the toes. The Trail&Run MID Toe Socks combine abrasion resistance thanks to its high Nylon component (67%) with very good heat and moisture management thanks to the Coolmax® fiber. A technical sock that offers high performance and durability both on asphalt and in the mountains.

The Cyclone Jacket is a 3-layer waterproof/breathable technical shell for women, designed for alpine climbing and ski mountaineering in the most demanding environments. Made with the eVent® DVStorm™ 3-layer membrane, it provides exceptional protection with a 20,000 mm water column rating and breathability of 30,000 g/m²/24h MVTR, keeping you dry and comfortable during high-intensity activities.

Key features include fully taped seams, an ultra-enveloping hood that fits perfectly over helmets, and two large chest pockets for quick access. It also has interior pockets and YKK™ Vislon AquaGuard® waterproof zippers for enhanced moisture protection. With its ultra-lightweight build and outstanding weather protection, the Cyclone Jacket is the ideal companion for intense alpine adventures in adverse conditions. Lightweight, reliable, and high-performance.

FAST&LIGHT - 334 g.  (XS)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

The Warmfit 100 Merino Wool boxers are high-performance underwear. Made entirely of pure merino wool, it offers total comfort as well as excellent performance. Extra soft touch in contact with the skin, for daily use on and off the mountain. An ideal complement to protect the most delicate area on the coldest days.

FAST&LIGHT - 94g (S/M)

The Warmfit 100 Merino Wool boxers are high-performance underwear. Made entirely of pure merino wool, it offers total comfort as well as excellent performance. Extra soft touch in contact with the skin, for daily use on and off the mountain. An ideal complement to protect the most delicate area on the coldest days.

FAST&LIGHT - 94g (S/M)

Light shorts designed for FAST&LIGHT mountaineering. Made with DYNAMICLite fabric, double weave version, it provides 4-way stretch making it very comfortable. Its Custom-Width adjustment makes it extremely quick to change its fit to any activity. Highly breathable, quick-drying, while offering a soft touch in contact with the skin. A technical short designed for fast activities in mid and high temperatures.

FAST&LIGHT - 238g (S)

Light shorts designed for FAST&LIGHT mountaineering. Made with DYNAMICLite fabric, double weave version, it provides 4-way stretch making it very comfortable. Its Custom-Width adjustment makes it extremely quick to change its fit to any activity. Highly breathable, quick-drying, while offering a soft touch in contact with the skin. A technical short designed for fast activities in mid and high temperatures.

FAST&LIGHT - 238g (S)

Multifunctional seamless light scarf designed with a double objetive: to protect the neck and mouth from the chilly winds and cold, and to dry the same area to keep you fresh and dry in high-intensity activities. Thanks to its double layer of microfiber welded by laser, the OS2O scarf dries fast, is very soft and adjusts firmly keeping its position at all times without creating any friction providing visibility, protection and comfort.

FAST&LIGHT - 33g 

Multifunctional seamless light scarf designed with a double objetive: to protect the neck and mouth from the chilly winds and cold, and to dry the same area to keep you fresh and dry in high-intensity activities. Thanks to its double layer of microfiber welded by laser, the OS2O scarf dries fast, is very soft and adjusts firmly keeping its position at all times without creating any friction providing visibility, protection and comfort.

FAST&LIGHT - 33g 

Multifunctional seamless light scarf designed with a double objetive: to protect the neck and mouth from the chilly winds and cold, and to dry the same area to keep you fresh and dry in high-intensity activities. Thanks to its double layer of microfiber welded by laser, the OS2O scarf dries fast, is very soft and adjusts firmly keeping its position at all times without creating any friction providing visibility, protection and comfort.

FAST&LIGHT - 33g 

Multifunctional seamless light scarf designed with a double objetive: to protect the neck and mouth from the chilly winds and cold, and to dry the same area to keep you fresh and dry in high-intensity activities. Thanks to its double layer of microfiber welded by laser, the OS2O scarf dries fast, is very soft and adjusts firmly keeping its position at all times without creating any friction providing visibility, protection and comfort.

FAST&LIGHT - 33g 

Lightweight technical t-shirt designed to keep you cool and dry in high intensity activities. Made of 100% recycled Cool2Dry® microfiber fabric, it has a very soft touch in contact with the skin, extremely quick drying and protection UPF 40 against ultraviolet radiation.   

FAST&LIGHT - 78g

Long sleeve technical shirt designed to keep you cool and protect you from ultraviolet rays during mountain sessions. Manufactured in 100% recycled fabric cool2Dry® microfiber, drains moisture from the inside out to keep you dry, dries very quickly and offers a smooth touch to the skin.

FAST&LIGHT - 104 grams

Long sleeve technical shirt designed to keep you cool and protect you from ultraviolet rays during mountain sessions. Manufactured in 100% recycled fabric cool2Dry® microfiber, drains moisture from the inside out to keep you dry, dries very quickly and offers a smooth touch to the skin.

FAST&LIGHT - 104 grams

Seamless thong for women designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. Designed with microtensors that guarantee a perfect fit and no movements of the garment. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 16g (XS/S)

Seamless thong for women designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. Designed with microtensors that guarantee a perfect fit and no movements of the garment. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 16g (XS/S)

Technical and ultra-light shirt without sleeves with woman pattern designed for keep you fresh and dry in high intensity competitions and trainings. Made in fabric of Cool2Dry® pierced that thanks to its air channels provides extra ventilation and improves heat dissipation at times of great demand; also offers a soft touch in contact with the skin. Ideal for intense activities in high temperatures.

FAST&LIGHT - 49g

Technical and ultra-light shirt without sleeves with woman pattern designed for keep you fresh and dry in high intensity competitions and trainings. Made in fabric of Cool2Dry® pierced that thanks to its air channels provides extra ventilation and improves heat dissipation at times of great demand; also offers a soft touch in contact with the skin. Ideal for intense activities in high temperatures.

FAST&LIGHT - 49g

Ultralight technical pants made of DYNAMICLite, a single-layer fabric that provides elasticity in all directions, highly breathable, quick-drying, while offering a soft touch in contact with the skin. Comfortable all year round. Designed for use in medium and high intensity activities in the mountains under high temperatures, offering maximum functionality in a minimum weight.

FAST&LIGHT - 219g (S)

Ultralight technical pants made of DYNAMICLite, a single-layer fabric that provides elasticity in all directions, highly breathable, quick-drying, while offering a soft touch in contact with the skin. Comfortable all year round. Designed for use in medium and high intensity activities in the mountains under high temperatures, offering maximum functionality in a minimum weight.

FAST&LIGHT - 219g (S)

Seamless thong for women designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 16g (XS/S)

Long sleeve technical t-shirt for women designed to keep you cool and protect you against ultraviolet rays during mountain sessions. Fabric 100% recycled cool2Dry® microfiber dry very quickly and offers a soft touch in contact with the skin. Plus evacuate the humidity from the inside to the outside to keep you dry.

FAST&LIGHT - 91g

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex creating an ideal first layer garment in direct contact with the skin. Designed with microtensors on legs and back that guarantee a perfect fit and no movements. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex creating an ideal first layer garment in direct contact with the skin. Designed with microtensors on legs and back that guarantee a perfect fit and no movements. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 37g (S/M)

The Warmfit 100 Merino Wool Pants are a high performance first layer for mountaineering and alpinism. Made entirely of merino wool, it offers a high thermal capacity even when wet, combining its natural calorific properties with good breathability to keep you comfortable and dry even in the most adverse conditions. It also offers a very soft touch in contact with the skin. Its ergonomic cut provides a perfect fit, good mobility and comfort. An ideal complement as high-performance long johns on the coldest days.

FAST&LIGHT - 179g (S)

The Warmfit 100 Merino Wool Pants are a high performance first layer for mountaineering and alpinism. Made entirely of merino wool, it offers a high thermal capacity even when wet, combining its natural calorific properties with good breathability to keep you comfortable and dry even in the most adverse conditions. It also offers a very soft touch in contact with the skin. Its ergonomic cut provides a perfect fit, good mobility and comfort. An ideal complement as high-performance long johns on the coldest days.

FAST&LIGHT - 179g (S)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 37g (S/M)