List of products by brand OS2O

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)

FAST&LIGHT – 111g (S)

Technical toesocks designed for Trail Running and Alpinism. Thanks to the separation of the toes, the Ultra toesocks eliminate humidity in between toes avoiding blisters and allowing a natural position of the foot. Highly breathable mesh on instep and arch band to keep them always in the right position. Ideal for high intensity activities in medium and high temperatures.

Technical toesocks designed for Trail Running and Alpinism. Thanks to the separation of the toes, the Ultra toesocks eliminate humidity in between toes avoiding blisters and allowing a natural position of the foot. Highly breathable mesh on instep and arch band to keep them always in the right position. Ideal for high intensity activities in medium and high temperatures.

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)

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)

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 perectly durability, lightness and insulation.

FAST&LIGHT - 452g (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 perectly durability, lightness and insulation.

FAST&LIGHT - 452g (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 perectly durability, lightness and insulation.

FAST&LIGHT - 452g (S)

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)

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)

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)

850 CUIN down filling insulated jacket for alpine activities under very low temperatures. Made of highly resistant Nylon 20D fabric, 100% windproof with a double layer construction that protects down from moisture. Water Repellency exterior treatment DWR and 90/10 duck down filling (850 CUIN Fill Power) that provides the maximum thermal protection at a minimum weight. Designed as a belay jacket for the coldest north walls or for activities under temperatures well below freezing. Compression bag included to facilitate transportation.

FAST&LIGHT - 523g  (S)

850 CUIN down filling insulated jacket for alpine activities under very low temperatures. Made of highly resistant Nylon 20D fabric, 100% windproof with a double layer construction that protects down from moisture. Water Repellency exterior treatment DWR and 90/10 duck down filling (850 CUIN Fill Power) that provides the maximum thermal protection at a minimum weight. Designed as a belay jacket for the coldest north walls or for activities under temperatures well below freezing. Compression bag included to facilitate transportation.

FAST&LIGHT - 523g  (S)

850 CUIN down filling insulated jacket for alpine activities under very low temperatures. Made of highly resistant Nylon 20D fabric, 100% windproof with a double layer construction that protects down from moisture. Water Repellency exterior treatment DWR and 90/10 duck down filling (850 CUIN Fill Power) that provides the maximum thermal protection at a minimum weight. Designed as a belay jacket for the coldest north walls or for activities under temperatures well below freezing. Compression bag included to facilitate transportation.

FAST&LIGHT - 523g  (S)

850 CUIN down filling insulated jacket for alpine activities under very low temperatures. Made of highly resistant Nylon 20D fabric, 100% windproof with a double layer construction that protects down from moisture. Water Repellency exterior treatment DWR and 90/10 duck down filling (850 CUIN Fill Power) that provides the maximum thermal protection at a minimum weight. Designed as a belay jacket for the coldest north walls or for activities under temperatures well below freezing. Compression bag included to facilitate transportation.

FAST&LIGHT - 523g  (S)

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)

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)

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)

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)

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 your medium and high intensity actvities in medium/low temperatures. The inner grid of air channels allow the hot air to flow creating a warm and ventilated interior that wicks moisture quickly.

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

FAST&LIGHT - 402g (S)

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 your medium and high intensity actvities in medium/low temperatures. The inner grid of air channels allow the hot air to flow creating a warm and ventilated interior that wicks moisture quickly.

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

FAST&LIGHT - 402g (S)

Ultra light softshell jacket designed for FAST&LIGHT adventures. Manufactured in 3-layer StretchShell PRO, waterproof (15.000mm H2O), highly breathable (30.000g/(m²·24h)) and 100% wind-proof. Inner microfleece that provides a light thermal protection. Ultimate versatility, the ideal garment for high intensity mountain activities in medium and low temperatures.

FAST&LIGHT - 273g.  (S)

Ultra light softshell jacket designed for FAST&LIGHT adventures. Manufactured in 3-layer StretchShell PRO, waterproof (15.000mm H2O), highly breathable (30.000g/(m²·24h)) and 100% wind-proof. Inner microfleece that provides a light thermal protection. Ultimate versatility, the ideal garment for high intensity mountain activities in medium and low temperatures.

FAST&LIGHT - 273g.  (S)

Ultra light softshell jacket designed for FAST&LIGHT adventures. Manufactured in 3-layer StretchShell PRO, waterproof (15.000mm H2O), highly breathable (30.000g/(m²·24h)) and 100% wind-proof. Inner microfleece that provides a light thermal protection. Ultimate versatility, the ideal garment for high intensity mountain activities in medium and low temperatures.

FAST&LIGHT - 273g.  (S)

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)

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)

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)

Thermal neck warmer designed for outdoor activities in low temperatures. The fabric honeycomb structure with microperforations provides an excellent thermal protection, a great fitting and breathability. The perfect accesory for winter trail running, alpinism and skimo.

FAST&LIGHT - 80 g

Thermal neck warmer designed for outdoor activities in low temperatures. The fabric honeycomb structure with microperforations provides an excellent thermal protection, a great fitting and breathability. The perfect accesory for winter trail running, alpinism and skimo.

FAST&LIGHT - 80 g

The Hoka Ultra Trail Jacket is a lightweight and versatile garment designed for trail running. Thanks to the combination of X-Stretch and mesh fabric together with its pattern, Action FIT, provides a total freedom of movement while keeping a perfect balance between thermal protection and breathability. Elastic mesh pockets for carrying gels and bars comfortably. The ultimate jacket for running the trails under mid and low temperatures.

FAST&LIGHT - 367 g (S)

The Hoka Ultra Trail Jacket is a lightweight and versatile garment designed for trail running. Thanks to the combination of X-Stretch and mesh fabric together with its pattern, Action FIT, provides a total freedom of movement while keeping a perfect balance between thermal protection and breathability. Elastic mesh pockets for carrying gels and bars comfortably. The ultimate jacket for running the trails under mid and low temperatures.

FAST&LIGHT - 367 g (S)

The Hoka Ultra Trail Jacket is a lightweight and versatile garment designed for trail running. Thanks to the combination of X-Stretch and mesh fabric together with its pattern, Action FIT, provides a total freedom of movement while keeping a perfect balance between thermal protection and breathability. Elastic mesh pockets for carrying gels and bars comfortably. The ultimate jacket for running the trails under mid and low temperatures.

FAST&LIGHT - 367 g (S)

The Hoka Ultra Trail Jacket is a lightweight and versatile garment designed for trail running. Thanks to the combination of X-Stretch and mesh fabric together with its pattern, Action FIT, provides a total freedom of movement while keeping a perfect balance between thermal protection and breathability. Elastic mesh pockets for carrying gels and bars comfortably. The ultimate jacket for running the trails under mid and low temperatures.

FAST&LIGHT - 367 g (S)

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)

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)

Ultralight seamless headband designed to keep you dry and cool in high intensity activities. It prevents sweat from dropping into the eyes, keepin its position at all times. Built in a double layer of microfibre laser welded, the OS2O Headband dries fast, providing visibility, protection and comfort.

FAST&LIGHT - 18g 

Ultralight seamless headband designed to keep you dry and cool in high intensity activities. It prevents sweat from dropping into the eyes, keepin its position at all times. Built in a double layer of microfibre laser welded, the OS2O Headband dries fast, providing visibility, protection and comfort.

FAST&LIGHT - 18g 

Ultralight seamless headband designed to keep you dry and cool in high intensity activities. It prevents sweat from dropping into the eyes, keepin its position at all times. Built in a double layer of microfibre laser welded, the OS2O Headband dries fast, providing visibility, protection and comfort.

FAST&LIGHT - 18g 

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)

Thermal shocks made of an optimum blend of 4 different yarns. Wool brings thermal protection even when wet. Nylon and Acrylic ensure durability and resistance. Elastane guarantees a perfect fit. The perfect combination of new and old fibers to optimize comfort and performance even in extremely low temperatures.

Footwear with outer soles of rubber or plastics seamless of medium compression designed to reduce muscle fatigue while avoid blisters, thanks to finger sepation. Thanks to your compression gradually from the ankle to the knee which helps the blood circulation and recovery. Due to their high nylon composition, Compression Toesocks ensure a very high resistance and an excellent moisture management. What. Ideal for medium to high intensity activity, or for recovery.

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)

Thermal ultralight beanie designed for medium/high intensity outdoor activities in low temperatures. The fabric honeycomb structure with microperforations provides an excellent thermal protection, a great fitting and breathability. The perfect head accesory for winter trail running, alpinism and skimo.

FAST&LIGHT - 35 g

Thermal ultralight beanie designed for medium/high intensity outdoor activities in low temperatures. The fabric honeycomb structure with microperforations provides an excellent thermal protection, a great fitting and breathability. The perfect head accesory for winter trail running, alpinism and skimo.

FAST&LIGHT - 35 g

Thermal ultralight beanie designed for medium/high intensity outdoor activities in low temperatures. The fabric honeycomb structure with microperforations provides an excellent thermal protection, a great fitting and breathability. The perfect head accesory for winter trail running, alpinism and skimo.

FAST&LIGHT - 35 g

Thermal ultralight beanie designed for medium/high intensity outdoor activities in low temperatures. The fabric honeycomb structure with microperforations provides an excellent thermal protection, a great fitting and breathability. The perfect head accesory for winter trail running, alpinism and skimo.

FAST&LIGHT - 35 g

The Ace Jacket is a soft, light and elastic jacket made of X-STRETCH fabric - 210g. An extremely versatile garment, perfect as a light second layer in winter adventures or as an outer layer during summer activities. The X-Strech fabric double function guarantees a comfortable temperature and breathability in a perfect fit.

FAST&LIGHT - 305 gr (S)

The Ace Jacket is a soft, light and elastic jacket made of X-STRETCH fabric - 210g. An extremely versatile garment, perfect as a light second layer in winter adventures or as an outer layer during summer activities. The X-Strech fabric double function guarantees a comfortable temperature and breathability in a perfect fit.

FAST&LIGHT - 305 gr (S)