High performance hardshell waterproof pants for technical mountaineering and ski touring. Made with the resistant O2-3 Layer fabric, windproof, waterproof (20,000mm) and extremely high breathability of MVTR: 40,000g/(m²·24h). The O2 Stella Alpine Waterproof Pants have been developed to protect you in the most demanding conditions. Its fit is versatile and thanks to its ¾ length side zippers it can be used as a second or third layer overpants. Harness compatible pockets. Reinforcement fabric in Kevlar® thermo sealed seams, YKK™ AquaGuard® waterproof zippers. Fabric with DWR treatment.

A top of the line garment for alpine adventures in snowy and icy conditions.

FAST&LIGHT - 512g (S)

Technical pants for mountaineering and ski touring. Made with STRETCH SHELL ALPINE fabric water-repellent, windproof, 4-way stretch and resistant that provides effective protection for activities in mixed conditions. Preformed knees, custom-width waist adjustment system. Reinforced with Kevlar® on ankles, incorporates a lycra panel that works as a boot gaiter making it adaptable to any type of boot. The Jorasses are a versatile garment ideal for alpine and skimo adventures in low temperatures.

FAST&LIGHT - 513g (S)

Technical pants for mountaineering and ski touring. Made with STRETCH SHELL ALPINE fabric water-repellent, windproof, 4-way stretch and resistant that provides effective protection for activities in mixed conditions. Preformed knees, custom-width waist adjustment system. Reinforced with Kevlar® on ankles, incorporates a lycra panel that works as a boot gaiter making it adaptable to any type of boot. The Jorasses are a versatile garment ideal for alpine and skimo adventures in low temperatures.

FAST&LIGHT - 513g (S)

Technical pants for FAST&LIGHT activities in medium and low temperatures​, made 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 - 261g (S)

Technical pants for FAST&LIGHT activities in medium and low temperatures​, made 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 - 261g (S)

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)

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)

Move freely on the mountains with the Neon Tech pants, made of Dynamic® stretch fabric that provides a 4-way stretch, breathable, quick-drying shell while offering a soft touch in contact with the skin. The Neon Tech pants are harness compatible and provide a custom-width waist adjustment. They are ideal for non-stop activities in medium temperatures.

FAST&LIGHT - 310g (S)

Move freely on the mountains with the Neon Tech pants, made of Dynamic® stretch fabric that provides a 4-way stretch, breathable, quick-drying shell while offering a soft touch in contact with the skin. The Neon Tech pants are harness compatible and provide a custom-width waist adjustment. They are ideal for non-stop activities in medium temperatures.

FAST&LIGHT - 310g (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)

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)

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)

Ultralight pants for trail running and FAST&LIGHT winter activities. Made of Dynamic Lite fabric that offers excellent breathability, lightweight and resistance. Special stretch fabric panels are incorporated to provide an extra adaptability, even at high intensities. The Action FIT pattern in combination with stretch panels allow the Hybrid Pants to be a perfect substitute for tights with a looser fit. The ankle section is narrower and fits tightly to the calves designed to move fast with crampons.

A perfect companion for high-intensity activities where protection, flexibility, lightness and breathability are key.

FAST&LIGHT - 123g  (S)

The Hybrid Trail shorts are the perfect combination of running tights and shorts, offering good stability and support thanks to the quick-dry inner mesh and providing protection and freedom of movement by its exterior fabric Cool2Dry 4-way-stretch. The Hybrid trail shorts are versatile, light and breathable, being ideal for training and all distance races.  

FAST&LIGHT - 124g (S)

The Hybrid Trail shorts are the perfect combination of running tights and shorts, offering good stability and support thanks to the quick-dry inner mesh and providing protection and freedom of movement by its exterior fabric Cool2Dry 4-way-stretch. The Hybrid trail shorts are versatile, light and breathable, being ideal for training and all distance races.  

FAST&LIGHT - 124g (S)

Lightweight trail running shorts made with Cool2Dry fabric, fresh, quick-dry and with stretchable union panels to move freely on technical terrain. With a double waist adjustment of elastic band and string, it allows to carry some weight in the back pocket without any movement. Highly breathable, the Trail Lite shorts are ideal for training and competitions.

FAST&LIGHT - 115g (S)

Lightweight trail running shorts made with Cool2Dry fabric, fresh, quick-dry and with stretchable union panels to move freely on technical terrain. With a double waist adjustment of elastic band and string, it allows to carry some weight in the back pocket without any movement. Highly breathable, the Trail Lite shorts are ideal for training and competitions.

FAST&LIGHT - 115g (S)

FAST&LIGHT – 158g (S)

FAST&LIGHT – 158g (S)

FAST&LIGHT – 83g (S)

FAST&LIGHT – 83g (S)

FAST&LIGHT – 83g (S)

FAST&LIGHT – 111g (S)