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OS2O

Base Layer

Men base layer for outdoor sports.

Base Layer

Airfit Plus Shirt

High performance first layer hoodie for high intensity activities. The microperforated fabric of polypropilene and spandex provides a perfect balance between thermal capacity and breathability. Extremely elastic and adjustable, the Airfit Hoodie provides an ¨action fit¨ with no restrictions to head / arms movements. Integral base-layer that totally covers the neck, ideal for use in low temperatures.

FAST&LIGHT - 143g (S/M)

Price €44.90

Seamless Compression Tech Shirt

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)
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Price €32.90

Ultra Lite T-Shirt

The Ultralight T-shirt is designed to keep you cool and dry even during high intensity activities. Made with a breathable elastic microfiber fabric, the Ultra Lite T-Shirt provides a perfect fit, good breathability and fast drying properties.

FAST&LIGHT - 85g (M)
OS2O made in Spain

Price €32.90

Ultra Lite T-Shirt

The Ultralight T-shirt is designed to keep you cool and dry even during high intensity activities. Made with a breathable elastic microfiber fabric, the Ultra Lite T-Shirt provides a perfect fit, good breathability and fast drying properties.

FAST&LIGHT - 85g (M)
OS2O made in Spain

Price €32.90

Find your Everest Tank

The Ultralight T-shirt is designed to keep you cool and dry even during high intensity activities. Find Your Everest design. Made with a breathable elastic microfiber fabric, the Air Lite T-Shirt provides a perfect fit and dries extremely fast.

FAST&LIGHT - 65g (S)


OS2O made in Spain

Price €29.90

Find your Everest Tank

The Ultralight T-shirt is designed to keep you cool and dry even during high intensity activities. Find Your Everest design. Made with a breathable elastic microfiber fabric, the Air Lite T-Shirt provides a perfect fit and dries extremely fast.

FAST&LIGHT - 65g (S)


OS2O made in Spain

Price €29.90

Ultra Lite Tank

The Ultralight T-shirt is designed to keep you cool and dry even during high intensity activities. Made with a breathable elastic microfiber fabric, the Air Lite T-Shirt provides a perfect fit, a nice soft touch and fast drying properties.

FAST&LIGHT - 65 g (M)
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Price €27.90

T-Shirt Flex

Light, highly breathable and elastic shirt for trail running and alpinism. Seamless construction in Polypropylene Dryarn® fast dry even under very hot and humid conditions. Good resistance against friction with rocks. A high performance garment in a basic and functional design, a must for outdoor sports in medium and high temperatures.

FAST&LIGHT - 106g (S)


OS2O hecho en EspañaDryan

Price €27.90

T-Shirt Flex

Light, highly breathable and elastic shirt for trail running and alpinism. Seamless construction in Polypropylene Dryarn® fast dry even under very hot and humid conditions. Good resistance against friction with rocks. A high performance garment in a basic and functional design, a must for outdoor sports in medium and high temperatures.

FAST&LIGHT - 106g (S)


OS2O hecho en EspañaDryan

Price €27.90

T-Shirt Flex

Light, highly breathable and elastic shirt for trail running and alpinism. Seamless construction in Polypropylene Dryarn® fast dry even under very hot and humid conditions. Good resistance against friction with rocks. A high performance garment in a basic and functional design, a must for outdoor sports in medium and high temperatures.

FAST&LIGHT - 106g (S)


OS2O hecho en EspañaDryan

Price €27.90