The OS2O Trail Long Man is designed to offer the perfect balance between lightweight protection, active breathability, and thermal comfort during mountain training sessions or races in variable weather conditions, especially in spring and autumn

With a technical and ergonomic design, it is primarily made with stretchy Cool2Dry® fabric, providing an ultra-soft touch, quick drying, and excellent freedom of movement—ideal for technical routes or days with changing weather. The back and underarm areas feature technical mesh panels that allow active ventilation in key zones and enhance abrasion resistance when using backpacks or hydration vests

The long sleeves offer extra protection against vegetation, branches, or gear contact, without adding weight or compromising breathability

A technical, lightweight, and versatile garment for those seeking uncompromising performance with added coverage in the mountains

FAST&LIGHT - 116 grams (S)

The OS2O Trail Long Man is designed to offer the perfect balance between lightweight protection, active breathability, and thermal comfort during mountain training sessions or races in variable weather conditions, especially in spring and autumn

With a technical and ergonomic design, it is primarily made with stretchy Cool2Dry® fabric, providing an ultra-soft touch, quick drying, and excellent freedom of movement—ideal for technical routes or days with changing weather. The back and underarm areas feature technical mesh panels that allow active ventilation in key zones and enhance abrasion resistance when using backpacks or hydration vests

The long sleeves offer extra protection against vegetation, branches, or gear contact, without adding weight or compromising breathability

A technical, lightweight, and versatile garment for those seeking uncompromising performance with added coverage in the mountains

FAST&LIGHT - 116 grams (S)

The OS2O Trail Long Man is designed to offer the perfect balance between lightweight protection, active breathability, and thermal comfort during mountain training sessions or races in variable weather conditions, especially in spring and autumn.

With a technical and ergonomic design, it is primarily made with stretchy Cool2Dry® fabric, providing an ultra-soft touch, quick drying, and excellent freedom of movement—ideal for technical routes or days with changing weather. The back and underarm areas feature technical mesh panels that allow active ventilation in key zones and keeping your skin cool and dry even during high-intensity activties.

The long sleeves offer extra protection against vegetation, branches, or gear contact, without adding weight or compromising breathability.

A technical, lightweight, and versatile garment for those seeking uncompromising performance with added coverage in the mountains.

FAST&LIGHT - 116 grams (S)

The OS2O Trail Long Man is designed to offer the perfect balance between lightweight protection, active breathability, and thermal comfort during mountain training sessions or races in variable weather conditions, especially in spring and autumn.

With a technical and ergonomic design, it is primarily made with stretchy Cool2Dry® fabric, providing an ultra-soft touch, quick drying, and excellent freedom of movement—ideal for technical routes or days with changing weather. The back and underarm areas feature technical mesh panels that allow active ventilation in key zones and keeping your skin cool and dry even during high-intensity activties.

The long sleeves offer extra protection against vegetation, branches, or gear contact, without adding weight or compromising breathability.

A technical, lightweight, and versatile garment for those seeking uncompromising performance with added coverage in the mountains.

FAST&LIGHT - 116 grams (S)

The new version of the OS2O Trail T-Shirt redefines comfort and functionality with key improvements in fabric and design, offering an ergonomic fit for a seamless experience during high-intensity training or racing The front and sleeves are made with stretchy Cool2Dry® fabric, providing full freedom of movement, an ultra-soft touch, and fast drying—ideal for technical outings and warm climates. The back features a mesh panel that enhances active ventilation, keeps the body cool and dry even during high-intensity activties.

Designed for those who seek a lightweight, breathable technical t-shirt with uncompromising mountain performance.

FAST&LIGHT - 91 gramos (S)

The new version of the OS2O Trail T-Shirt redefines comfort and functionality with key improvements in fabric and design, offering an ergonomic fit for a seamless experience during high-intensity training or racing The front and sleeves are made with stretchy Cool2Dry® fabric, providing full freedom of movement, an ultra-soft touch, and fast drying—ideal for technical outings and warm climates. The back features a mesh panel that enhances active ventilation, keeps the body cool and dry even during high-intensity activties.

Designed for those who seek a lightweight, breathable technical t-shirt with uncompromising mountain performance.

FAST&LIGHT - 91 gramos (S)

The new version of the OS2O Trail T-Shirt redefines comfort and functionality with key improvements in fabric and design, offering an ergonomic fit for a seamless experience during high-intensity training or racing The front and sleeves are made with stretchy Cool2Dry® fabric, providing full freedom of movement, an ultra-soft touch, and fast drying—ideal for technical outings and warm climates. The back features a mesh panel that enhances active ventilation, keeps the body cool and dry.

Designed for those who seek a lightweight, breathable technical t-shirt with uncompromising mountain performance.

FAST&LIGHT - 91 gramos (S)

The new version of the OS2O Trail T-Shirt redefines comfort and functionality with key improvements in fabric and design, offering an ergonomic fit for a seamless experience during high-intensity training or racing The front and sleeves are made with stretchy Cool2Dry® fabric, providing full freedom of movement, an ultra-soft touch, and fast drying—ideal for technical outings and warm climates. The back features a mesh panel that enhances active ventilation, keeps the body cool and dry.

Designed for those who seek a lightweight, breathable technical t-shirt with uncompromising mountain performance.

FAST&LIGHT - 91 gramos (S)

Camiseta técnica y ultraligera de manga corta diseñada para mantenerte fresco y seco en competiciones y entrenamientos exigentes. Confeccionada en tejido de Cool2Dry® perforado que aporta una ventilación extra y mejora la disipación del calor en los momentos de alta intensidad; además, ofrece un tacto suave en contacto con la piel.  

FAST&LIGHT - 64g

Camiseta técnica y ultraligera de manga corta diseñada para mantenerte fresco y seco en competiciones y entrenamientos exigentes. Confeccionada en tejido de Cool2Dry® perforado que aporta una ventilación extra y mejora la disipación del calor en los momentos de alta intensidad; además, ofrece un tacto suave en contacto con la piel.  

FAST&LIGHT - 64g

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 Skin Feel® T-Shirt is a short-sleeve shirt designed to accompany you in all types of outdoor activities—from mountain routes and trail training to recovery and post-activity moments.

Made from Skin Feel® fabric, it stands out for its lightness, softness, and cool feel against the skin. The micro-perforated back panel enhances breathability in hot or high-exertion conditions, while integrated UPF sun protection keeps you safe under the sun.

A versatile, minimalist, and ultra-comfortable garment, ideal for those seeking performance and comfort across a wide range of activities.

FAST&LIGHT - 78 g (S)