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

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.

T-shirt first layer high performance, provides a perfect regulation of body temperature. Made from a mixture of polypropylene and elastane in a seamless construction with thermo-active panels that offer an ideal balance between heat capacity and perspiration. Elastic, soft and adaptable to the body, with unrestricted action adjustment in movements, a garment ideal for indoor use in intense activities at low temperatures.

FAST&LIGHT - one hundred and thirty-six grams . (XS)

T-shirt first layer high performance, provides a perfect regulation of body temperature. Made from a mixture of polypropylene and elastane in a seamless construction with thermo-active panels that offer an ideal balance between heat capacity and perspiration. Elastic, soft and adaptable to the body, with unrestricted action adjustment in movements, a garment ideal for indoor use in intense activities at low temperatures.

FAST&LIGHT - one hundred and thirty-six grams . (XS)

Technical second layer jacket, made of KYNETIC Air Polyester fabric, thanks to the construction of the fabric and the thread interlacing captures the air, providing thermal insulation and great comfort. The Serenity Jacket is an ideal garment for medium intensity activities, or as a pre- or post- workout garment.

FAST&LIGHT - 325 g.  (XS)

Women's technical mountain trousers which provide a total freedom of movement with resistance and ventilation. What. 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 woman-specific Action Fit pattern, ideal for medium and high mountain activities at medium temperatures. Light, versatile, adaptable and very durable all-terrain pants.

FAST&LIGHT - 311g (XS)

Ski mountaineering racing suit developed in conjunction with our team of athletes to meet the highest competition demands. Built in four-way stretch KYNETIC fabric that adapts perfectly to the body to offer maximum comfort, freedom of movement and a perfect temperature balance. Double elastic pocket to store seal skins, double interior pocket with zippers. Ankle area reinforced with anti-abrasion fabric, elastic rubber that is placed over the boot to guarantee a perfect fit. Lower leg adjustment system compatible with any boot attachment system and ski bindings.

FAST&LIGHT - 438 g.  (S)

Women's technical mountain and ski pants. What. Manufacture from fabric StretchShell PRO membrane 3 layers waterproof and breathable (20k/20k), Eiger pants are versatile, thermal and elastic, providing a perfect fit and total freedom of movement. Their waist is elastic compatible with harness, they have an inner lycra zone for excellent grip on the boot. They are reinforced in the ankles with Kevlar® and glass fiber of very high resistance to cuts and pinches of crampons and skis. YKK® VislonTM zippers with guaranteed durability. External water repellent treatment DWR free of PFCs.

Eiger Pants are functional, durable and elastic designed for to move protected and unrestricted in a wide range of alpine activities and climatologies.

FAST&LIGHT - 415 grams (XS)

Women's technical mountain and ski pants. What. Manufacture from fabric StretchShell PRO membrane 3 layers waterproof and breathable (20k/20k), Eiger pants are versatile, thermal and elastic, providing a perfect fit and total freedom of movement. Their waist is elastic compatible with harness, they have an inner lycra zone for excellent grip on the boot. They are reinforced in the ankles with Kevlar® and glass fiber of very high resistance to cuts and pinches of crampons and skis. YKK® VislonTM zippers with guaranteed durability. External water repellent treatment DWR free of PFCs.

Eiger Pants are functional, durable and elastic designed for to move protected and unrestricted in a wide range of alpine activities and climatologies.

FAST&LIGHT - 415 grams (XS)

Women's technical winter trousers FAST&LIGHT, manufacture from materials of any heading innovative fabric recycled (69%)t: windproof, water repellent, with high breathability and thermal insulation. They offer a perfect fit, elastic belt compatible with harness, inner pulley for excellent grip on the boot. They are reinforced in the ankles with Kevlar and fiberglass of excellent resistance to cuts and clamps of crampons. YKK® VislonTM zippers with guaranteed durability. External water repellent treatment DWR free of PFCs.

The Meteor SKI ALP Pants are versatile, light and elastic designed to move fast and unrestricted in a wide range of activities and climatologies.

FAST&LIGHT - two ounces (XS)

Technical jacket women's for activities FAST&LIGHT in medium and low temperatures. Manufactured with the innovative STORMFLEECETM PRO, at 69% recycled origin, is an all-weather garment Resistant: waterproof, windproof, has good thermal protection, high breathability and is extremely light. In addition, it offers a very good fit to the body by being elastic in all 4 directions and a good resistance. YKK® VislonTM zippers with guaranteed durability.

The Meteor Jacket is a very versatile, lightweight and multifunctional jacket designed to move lightly and unrestricted in a very wide range of activities and climates.

FAST&LIGHT - 330 grams (XS)

Technical jacket women's for activities FAST&LIGHT in medium and low temperatures. Manufactured with the innovative STORMFLEECETM PRO, at 69% recycled origin, is an all-weather garment Resistant: waterproof, windproof, has good thermal protection, high breathability and is extremely light. In addition, it offers a very good fit to the body by being elastic in all 4 directions and a good resistance. YKK® VislonTM zippers with guaranteed durability.

The Meteor Jacket is a very versatile, lightweight and multifunctional jacket designed to move lightly and unrestricted in a very wide range of activities and climates.

FAST&LIGHT - 330 grams (XS)

The Thunder Pro it's a women's insulating jacket whose objective is maximising the balance between thermal protection, breathability and weight. What. Designed to be worn on mid- and high-intensity winter adventures where you're expected to be in constant motion and where thermal protection is as important as proper heat evacuation. It is highly valued for the quality of its for the purposes of this Regulation, the following definitions shall apply:, as well as their distribution in areas of different grams depending on the thermal requirements of each body part, configured with thermographic and body-mapping techniques.

Manufacture from fabric lightweight nylon exterior 20 deniers, provides the necessary protection against wind and friction to make it lightweight but durable. External treatment DWR (Durable Water Repellency) that protects it from outside moisture. A female-specific pattern. The Thunder Pro is a warm, lightweight, ventilated garment that is easy to transport, ideal for activities FAST&LIGHT winter.

FAST&LIGHT - 311g (XS)

The Thunder Pro it's a women's insulating jacket whose objective is maximising the balance between thermal protection, breathability and weight. What. Designed to be worn on mid- and high-intensity winter adventures where you're expected to be in constant motion and where thermal protection is as important as proper heat evacuation. It is highly valued for the quality of its for the purposes of this Regulation, the following definitions shall apply:, as well as their distribution in areas of different grams depending on the thermal requirements of each body part, configured with thermographic and body-mapping techniques.

Manufacture from fabric lightweight nylon exterior 20 deniers, provides the necessary protection against wind and friction to make it lightweight but durable. External treatment DWR (Durable Water Repellency) that protects it from outside moisture. A female-specific pattern. The Thunder Pro is a warm, lightweight, ventilated garment that is easy to transport, ideal for activities FAST&LIGHT winter.

FAST&LIGHT - 311g (XS)

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 - 209g (XS)

Ultralight technical short sleeve t-shirt for woman designed to keep you cool and dry in competitions and high intensity training. Made of perforated Cool2Dry® fabric that provides extra ventilation and improves heat dissipation in moments of high intensity, it also offers a soft touch in contact with the skin. 

FAST&LIGHT - 66g

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 - 66g

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 - 91g

Ultralight technical shirt designed to keep you cool and dry in competitions and high intensity training sessions. Made of perforated Cool2Dry® fabric that provides extra ventilation and improves heat dissipation in effort-demanding moments, it also offers a soft touch in contact with the skin. An ideal shirt for activities in high temperatures.

FAST&LIGHT - 49g

Trail Running ultralight technical T-shirt designed to keep you dry and cool during intense activities. Woman-specific pattern. Thanks to its fabric, Cool2Dry® 35, the F&L Technical T-Shirt is elastic, lightweight and breathable, making it ideal for trail running in the summer warmest days when breathability is paramount.  

FAST&LIGHT - 66 g (XS)

Extremely light insulated vest, designed with a wind-stopper ripstop front membrane, filled with a light (60g/m²) synthetic insulation that provides an extra protection from cold, and a back mesh, that enhances breathability. A perfect complement for medium/high intensity mountain activities in medium/low temperatures.

FAST&LIGHT - 150g (M)

Long compression tights for high intensity aerobic activities. Manufactured with a seamless construction and a women-specific pattern, which provides great adaptability to each area of the legs, offering a perfect balance between support and freedom of movement. Made of polyester, polyamide and elastane fabric that offers high compression while being resistant and breathable. Long tights that can be used as an outer garment in intense activities such as trail and skimo, or as a base layer under other pants on colder days.

FAST&LIGHT - 142 g.  (XS)

Warmfit 100 Merino Wool are high performance base layer pants. 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 in the most adverse conditions. It also offers an extra soft touch in contact with the skin. Its ergonomic cut with a specific pattern for women provides a perfect fit, mobility and comfort. An ideal complement as high-performance long johns on the coldest days.

FAST&LIGHT - 158g (XS)

The Warmfit 100 Merino T-shirt Women is a high-performance thermal garment for mountaineering and alpinism. Made entirely of merino wool, without blends, it offers a high thermal capacity even when wet, combining natural calorific properties with good breathability. Thanks to its soft touch and women-specific ergonomic cut, the Warmfit 100 is a versatile shirt, ideal as a base layer in winter and as an outer shirt on cool days.

FAST&LIGHT - 137g (XS)

Light high capacity trail running belt ideal for short and medium distance races or as an accesory to a vest in long distance ones. Its seamless highly stretchable fabric provides a perfect fit while carrying a mobile device, gels, bars, gloves, poles (front or back), a 500 ml soft flask and a waterproof jacket in a no-rebound compact way.

FAST&LIGHT - 61g

Women-specific technical pants for FAST&LIGHT activities in medium and low temperatures​, manufactured with the innovative recycled (69%) STORMFLEECE PRO® All Weather Resistant fabric: windproof, water repellent, highly breathable and thermally insulating. Elastic waist for perfect fit, harness-compatible pocket, inner gaiter for excellent support with boots on. YKK® Vislon™zippers. DWR water repellent exterior treatment.

The Meteor Pants are stretchable and extremely light designed to move fast and without restrictions on a wide range of activities and conditions.

FAST&LIGHT - 240g (XS)

Technical pants for mountaineering and skimo. Made with four-way stretch, windproof, water-repellent and highly resistant STRETCH SHELL ALPINE fabric that provides effective protection for activities in mixed conditions. Preformed knees, harness compatible pocket, custom-width waist adjustment system. Specific pattern for women. Reinforced with Kevlar® on ankles, incorporates a lycra panel that works as a boot gaiter making it adaptable to any type of boot. A versatile garment ideal for winter mountain adventures where resistance and protection are a must.

FAST&LIGHT - 462g (XS)

FAST&LIGHT – 158g (S)

Versatile and warm, the Fastite Down Parka is the perfect winter jacket for an active lifestyle. Filled with 650 Fill-Power down (90/10), it provides an excellent thermal insulation/weight ratio. Made of Nylon ripstop 20 Denier with DWR, it is 100% windproof, water-resistant, soft and very durable. Women specific pattern. Easy access chest pocket and spacious zipped side pockets. High insulating protection for your adventures, inside and outside the mountain.

FAST&LIGHT - 428g  (XS)

The KRYPTON INSULATION jacket is an ultra-light, high-performance insulated jacket. Designed for a FAST&LIGHT layer system, it combines the insulating protection and high breathability of Sorona Aura® DuPont® 40g fiber with the 100% windproof functionality of the exterior WindBreaker® fabric. Developed by using thermography and body mapping to combine plain sections with square baffles in key areas. Its hybrid construction results in a highly versatile and functional garment. The side pockets are positioned so as not to overlap with our FAST&LIGHT waterproof jackets.

The KRYPTON INSULATION jacket can be used as a second layer or third layer without the accumulation of hoods.

FAST&LIGHT - 192g  (XS)

Technical alpine jacket for winter activities, made of PFC-free Stretch Shell PRO waterproof (20,000mm H2O column), breathable (20,000g/(m² · 24h)), elastic and with a warm, soft hand touch that offers a high ratio between thermal protection and weight. Easy-access pockets on chest and harness-compatible pockets on sides. The Eiger PRO allows complete freedom of movement making it ideal for demanding mountain crossings of several days.  

FAST&LIGHT - 575g (S)

The ASTRA KYNETIC JACKET is a light and versatile garment designed to be your perfect partner in any FAST&LIGHT activity. Made of 210g/m² KYNETIC fabric that offers the perfect balance between insulation and breathability. Pattern Action Fit specific for women that provides a good range of movement even in high-intensity activities. The Astra Kynetic is an ideal garment for any outdoor activity where a combination of thermal protection, breathability and flexibility is demanded.

FAST&LIGHT - 312g  (XS)

Highly thermal ultralight (250 g.) jacket with 850 CUIN goose down hydro-repellent filling, designed to offer maximum protection in winter FAST&LIGHT activities. Water-repellent (DWR), windproof 100% and highly resistant. Thanks to its PFC-Free goose down RDS®-certified DownTek® 93/7 850 CUIN with hydro repellent treatment, the NEBULÆ jacket traps the hot air in the down clusters even in rainy or snowy conditions. Total functionality in the minimum weight. 

FAST&LIGHT - 218g  (XS)

Highly thermal ultralight (250 g.) jacket with 850 CUIN goose down hydro-repellent filling, designed to offer maximum protection in winter FAST&LIGHT activities. Water-repellent (DWR), windproof 100% and highly resistant. Thanks to its PFC-Free goose down RDS®-certified DownTek® 93/7 850 CUIN with hydro repellent treatment, the NEBULÆ jacket traps the hot air in the down clusters even in rainy or snowy conditions. Total functionality in the minimum weight.

FAST&LIGHT - 250g  (S)

Ultralight insulated down jacket for FAST&LIGHT activities, warm, packable and easy to transport. Made of Nylon 20 D fabric, 100% windproof with a double layer construction that protects the feather from moisture. DWR (Durable Water Repellency) exterior treatment and 90/10 duck down 650 CUINS of fill power, providing a high thermal protection in a very light weight. 3 outside harness-compatible pockets and 3 inner ones. The Fastlite 650 is a piece of equipment that combines perfectly durability, lightness and insulation.

FAST&LIGHT - 417g (XS)

Ultralight breathable and highly packable wind jacket. Made of WindBreaker® fabric, it offers a total barrier against the wind in a minimum weight. Thanks to the wicking treatment of the fabric that transports moisture from the inside to the outside, the Minimus jacket also offers increased airflow and breathability. Mesh panels in the armpits and laser vent holes on the back for a more comfortable use with or without a backpack. Packable in its own pocket, the Minimus jacket is the ideal garment for high pulse activities in fast changing conditions.

FAST&LIGHT - 72  (XS)

The O2 Waterproof 20k Trail Pants are ultralight waterproof, breathable and windproof pants, designed for trail running. Manufactured with the 2.5-layer O2 membrane, waterproof (20,000mm H2O column) and highly breathable (20,000g/m²·24h). 100% thermosealed seams, YKK™ AquaGuard® zippers. Foldable into its own pocket, the O2 Pants are ideal for competitions and high intensity training sessions in the rain.

FAST&LIGHT - 121g (XS)

Ultralight waterproof pants, designed for ski touring or FAST&LIGHT activities in the rain/snow. Manufactured with the innovative O2 2.9 layer membrane, waterproof (20,000mm H2O column) breathable (20,000g/m²·24h) and totally windproof. Heat-sealed seams, full YKK™ side zippers to put them on quickly without removing skimo or mountain boots. Folds into its own pocket in a very reduced space. A versatile product for high-intensity activities and competitions under the rain/snow.

FAST&LIGHT - 185g (XS)

Waterproofing for washing machine. This product adds Water Repellency to our breathable waterproof clothing. If the outer fabric of our waterproof garments absorbs water, the garment can lose up to 70% breathability. It is quick and easy to apply in the washing machine and its highly Durable Water Repellency (DWR) coating develops during air drying.

Highly thermal down jacket for women designed for winter alpine activities. Its filling 90/10 duck down filling (850 CUIN Fill Power) maximizes protection while keeping a low weight. Exterior fabric Nylon 20D with a double layer construction and DWR (Water Repellency) that protects it from moisture, 100% windproof and makes it highly resistant against abrasion. Designed as a belay jacket for the coldest north walls or for activities under temperatures well below freezing. Includes compression bag. Maximum insulation at a very low weight.

FAST&LIGHT - 479g  (XS)

High performance detergent for the OS2O waterproof membrane collection. It cleans and revitalizes breathability and water repellent properties. This product prolongs life to more technical garments.

Extremely lightweight and versatile jacket thanks to its high-performance StretchShell Pro with high water resistance (15k), very high breathability (30k) and light thermal protection. A very complete garment for any FAST&LIGHT activity in medium and low temperatures, where protection from weather conditions together with a proper ventilation are guaranteed even during high intensity activities like mountaneering ski.

FAST&LIGHT - 247 grams . (XS)

Tenacious Tape Gear Aid by McNett is an all-purpose, transparent weatherproof repair tape that fixes rips, holes, taping and gashes in almost all kinds of outdoor gear. It stays put no matter what climate conditions appear and leaves no sticky mess. It is easy to apply and care. Tenacious Tape is the best option to repair O2 Waterproof Membrane and eVent fabrics in OS2O’s products.

The Hoka Ultra Trail jacket designed for women is a lightweight and versatile garment. Jacket that fits the body thanks to X-Stretch fabric, allow yourself to make any movement. Medium thermal insulation and breathability. Perfect jacket for the practice of trail running in low temperatures.

FAST&LIGHT - 322g (XS)

A soft, light and elastic jacket designed with X-STRETCH 210g fabric. An extremely versatile garment, perfect as a light second layer under cold conditions or as a top layer during summer activities. The double function of the X-Strech fabric guarantees comfort temperature and breathability in a perfect fit.

FAST&LIGHT - 281g. (XS)

Ultra-light vest featuring a front windstopper membrane with risptop and back mesh for enhanced breathability. Extremely foldable, it is a perfect accesory for weather changing conditions or windy days.

FAST&LIGHT - 60 gr (M)

Light, cool and elastic tank shirt in a specific women pattern. Thanks to its seamless construction with Polypropylene Dryarn® combines elasticity and quick dry which makes the Tank Flex ideal for medium/high intensity activities in high temperatures. It also provides with a good resistance against friction with rocks. A basic for summer outdoor sports.

FAST&LIGHT - 65g (S)

Insulation overshort for mountain skiing and mountaineering that offer thermal protection for low temperatures. Made of resistant nylon and 100% windproof with Sorona®DuPont® 80g fiber filling. Full side zippers for quick use, even with boots on. YKK® Vislon™ zippers. Exterior water repellent treatment DWR. The ideal companion for FAST&LIGHT activities in low temperatures.

FAST&LIGHT - 150g (XS)

The POLAIR GRID Jacket is a light and elastic jacket that provides a great balance between thermal protection and breathability being the perfect option for medium and high intensity actvities in medium/low temperatures. The inner grid of air channels allows the hot air to flow creating a warm and ventilated interior that wicks moisture quickly.

Made of POLAR STRETCH GRID® fabric, 4 way stretch, highly thermal, comfortable and soft hand feel with a great freedom of movement.

FAST&LIGHT - 311g (XS)

Ultra light pants for trail running, designed for training and competition. With a focus on minimalist athletes, these shorts have a lightweight, comfortable soft fabric which makes you feel like not wearing anything at all.

FAST&LIGHT – 78g (S)

Short sleeve compression t-shirt for men and women. Tight cut that adapts to the body like a second skin. It offers the maximum thermal insulation, with an efficient transpitation to keep the body dry all the time. Thermo-regulating effect that gives the garment the condition of cold or heat depending on the conditions and intensity of the activity.

FAST&LIGHT - 123g (S)

The only technical cleaner specifically designed for hydrophobic and regular down which cleans effectively, while restoring water repellency and maintaining fill power and insulation.

Insulation overshort for mountain skiing and mountaineering that offer thermal protection for low temperatures. Made of resistant nylon and 100% windproof with Sorona®DuPont® 80g fiber filling. Full side zippers for quick use, even with boots on. YKK® Vislon™ zippers. Exterior water repellent treatment DWR. The ideal companion for FAST&LIGHT activities in low temperatures.

FAST&LIGHT - 150g (XS)