Technical insulated jacket with Sorona® bio-synthetic fill, designed for winter activities and belaying to keep you warm in cold, wet conditions.

The Sorona® insulation is lightweight and compressible, retaining its thermal properties even when wet, making it an ideal choice for variable weather conditions. Its ergonomic cut and lighter panels on the arms allow for full freedom of movement, while the adjustable cuffs, helmet-compatible hood, and strategically placed zippered pockets ensure functionality and comfort in the mountains.

With a design that combines durability and protection, its ripstop nylon outer fabric is wind- and water-resistant (PFC-Free), and its compressibility allows for easy storage, making the Inferno the perfect companion for any winter alpine adventure.  

FAST&LIGHT - 532g  (S)

Technical insulated jacket with Sorona® bio-synthetic fill, designed for winter activities and belaying to keep you warm in cold, wet conditions.

The Sorona® insulation is lightweight and compressible, retaining its thermal properties even when wet, making it an ideal choice for variable weather conditions. Its ergonomic cut and lighter panels on the arms allow for full freedom of movement, while the adjustable cuffs, helmet-compatible hood, and strategically placed zippered pockets ensure functionality and comfort in the mountains.

With a design that combines durability and protection, its ripstop nylon outer fabric is wind- and water-resistant (PFC-Free), and its compressibility allows for easy storage, making the Inferno the perfect companion for any winter alpine adventure.  

FAST&LIGHT - 532g  (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)

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 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 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 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 Quantum 750 is a FAST&LIGHT jacket designed for mountain activities in cold conditions, with a refined aesthetic that also makes it suitable for everyday wear. Its 100% nylon ripstop outer fabric combines durability with a soft touch, while the PFC-free water-repellent treatment provides moisture protection without fluorocarbons. The 750 cuin goose down filling delivers excellent thermal insulation with minimal weight, maintaining an optimal balance between warmth, compressibility, and durability.

Equipped with two front pockets, a YKK® zippered chest pocket, and elastic inner mesh pockets, it offers versatility both in the mountains and in urban environments. The hood with facial adjustment and Lycra-bound cuffs ensure constant comfort and protection. Supplied with a compression sack for compact transport.

FAST&LIGHT - 441g  (S)

The Quantum 750 is a FAST&LIGHT jacket designed for mountain activities in cold conditions, with a refined aesthetic that also makes it suitable for everyday wear. Its 100% nylon ripstop outer fabric combines durability with a soft touch, while the PFC-free water-repellent treatment provides moisture protection without fluorocarbons. The 750 cuin goose down filling delivers excellent thermal insulation with minimal weight, maintaining an optimal balance between warmth, compressibility, and durability.

Equipped with two front pockets, a YKK® zippered chest pocket, and elastic inner mesh pockets, it offers versatility both in the mountains and in urban environments. The hood with facial adjustment and Lycra-bound cuffs ensure constant comfort and protection. Supplied with a compression sack for compact transport.

FAST&LIGHT - 441g  (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)

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)