OS2O FAST&LIGHT

Base Layer

Women base layer for outdoor sports.

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Warmfit Merino 100 Shirt Woman - Grey Warmfit Merino 100 Shirt Woman - Grey

Warmfit Merino 100 Shirt Woman - Grey

The Warmfit 100 Merino T-shirt Women is a high-performance thermal garment for mountaineering and alpinism. Made entirely of merino wool, without blends, it offers a high thermal capacity even when wet, combining natural calorific properties with good breathability. Thanks to its soft touch and women-specific ergonomic cut, the Warmfit 100 is a versatile shirt, ideal as a base layer in winter and as an outer shirt on cool days.

FAST&LIGHT - 137g (XS)

merino wool

Price €79.90
    Warmfit Merino 100 Shirt Woman - Seaport Warmfit Merino 100 Shirt Woman - Seaport

    Warmfit Merino 100 Shirt Woman - Seaport

    The Warmfit 100 Merino T-shirt Women is a high-performance thermal garment for mountaineering and alpinism. Made entirely of merino wool, without blends, it offers a high thermal capacity even when wet, combining natural calorific properties with good breathability. Thanks to its soft touch and women-specific ergonomic cut, the Warmfit 100 is a versatile shirt, ideal as a base layer in winter and as an outer shirt on cool days.

    FAST&LIGHT - 137g (XS)

    merino wool

    Price €79.90
      Warmfit Merino 100 Shirt Woman - Ocean Warmfit Merino 100 Shirt Woman - Ocean

      Warmfit Merino 100 Shirt Woman - Ocean

      The Warmfit 100 Merino T-shirt Women is a high-performance thermal garment for mountaineering and alpinism. Made entirely of merino wool, without blends, it offers a high thermal capacity even when wet, combining natural calorific properties with good breathability. Thanks to its soft touch and women-specific ergonomic cut, the Warmfit 100 is a versatile shirt, ideal as a base layer in winter and as an outer shirt on cool days.

      FAST&LIGHT - 137g (XS)

      merino wool

      Price €79.90
        Thermal Seamless Shirt Woman

        Thermal Seamless Shirt Woman

        T-shirt first layer high performance, provides a perfect regulation of body temperature. Made from a mixture of polypropylene and elastane in a seamless construction with thermo-active panels that offer an ideal balance between heat capacity and perspiration. Elastic, soft and adaptable to the body, with unrestricted action adjustment in movements, a garment ideal for indoor use in intense activities at low temperatures.

        FAST&LIGHT - one hundred and thirty-six grams . (XS)

        Price €49.90
          Cotton T-Shirt Woman - Cervino Cotton T-Shirt Woman - Cervino

          Cotton T-Shirt Woman - Cervino

          Women's T-shirt made with SYN Cotton, fabric 100% recycled which provides a good performance in activity plus a soft and fresh touch similar to natural cotton. What. Thanks to its outdoor cut and high elasticity, it allows unrestricted movement, being a multi-purpose garment which can be worn during a medium-intensity activity or daily use.

          FAST&LIGHT - 110 g (XS) 

          cool2dry.jpg UV protection Made in Spain 140.jpg

          Price €34.90
            Cotton T-Shirt Woman - Anayet Cotton T-Shirt Woman - Anayet

            Cotton T-Shirt Woman - Anayet

            Women's T-shirt made with SYN Cotton, fabric 100% recycled which provides a good performance in activity plus a soft and fresh touch similar to natural cotton. What. Thanks to its outdoor cut and high elasticity, it allows unrestricted movement, being a multi-purpose garment which can be worn during a medium-intensity activity or daily use.

            FAST&LIGHT - 110 g (XS) 

            cool2dry.jpg UV protection Made in Spain 140.jpg

            Price €34.90
              Seamless Pro Top - Ocean Seamless Pro Top - Ocean

              Seamless Pro Top - Ocean

              Seamless top without rigid elements designed for high-intensity mountain activities. Thanks to its butterfly back design and removal of all lateral seams, the PRO Top eliminates friction with the skin even in long-distance ultra trail competitions. It provides a medium compression that together with its quick-dry fabric guarantees comfort during the whole activity. Ideal as underwear in alpine or skimo outings or as exterior layer for trail running adventures under high temperatures.

              FAST&LIGHT - 111g (S)

              Price €34.90
                Seamless Pro Top - Gris oscuro Seamless Pro Top - Gris oscuro

                Seamless Pro Top - Gris oscuro

                Seamless top without rigid elements designed for high-intensity mountain activities. Thanks to its butterfly back design and removal of all lateral seams, the PRO Top eliminates friction with the skin even in long-distance ultra trail competitions. It provides a medium compression that together with its quick-dry fabric guarantees comfort during the whole activity. Ideal as underwear in alpine or skimo outings or as exterior layer for trail running adventures under high temperatures.

                FAST&LIGHT - 111g (S)

                Price €34.90
                  Seamless Pro Top - Blue - Green Seamless Pro Top - Blue - Green

                  Seamless Pro Top - Blue - Green

                  Seamless top without rigid elements designed for high-intensity mountain activities. Thanks to its butterfly back design and removal of all lateral seams, the PRO Top eliminates friction with the skin even in long-distance ultra trail competitions. It provides a medium compression that together with its quick-dry fabric guarantees comfort during the whole activity. Ideal as underwear in alpine or skimo outings or as exterior layer for trail running adventures under high temperatures.

                  FAST&LIGHT - 111g (S)

                  Price €34.90
                    Racing Summit T-Shirt Woman 2024 - Coral Racing Summit T-Shirt Woman 2024 - Coral

                    Racing Summit T-Shirt Woman 2024 - Coral

                    Technical and ultra-light shirt without sleeves with woman pattern designed for keep you fresh and dry in high intensity competitions and trainings. Made in fabric of Cool2Dry® pierced that thanks to its air channels provides extra ventilation and improves heat dissipation at times of great demand; also offers a soft touch in contact with the skin. Ideal for intense activities in high temperatures.

                    FAST&LIGHT - 49g

                    cool2dry.jpg UV protection Made in Spain 140.jpg

                    Price €32.90
                      Racing Summit T-Shirt Woman 2024 - White / Black Racing Summit T-Shirt Woman 2024 - White / Black

                      Racing Summit T-Shirt Woman 2024 - White / Black

                      Technical and ultra-light shirt without sleeves with woman pattern designed for keep you fresh and dry in high intensity competitions and trainings. Made in fabric of Cool2Dry® pierced that thanks to its air channels provides extra ventilation and improves heat dissipation at times of great demand; also offers a soft touch in contact with the skin. Ideal for intense activities in high temperatures.

                      FAST&LIGHT - 49g

                      cool2dry.jpg UV protection Made in Spain 140.jpg

                      Price €32.90
                        FAST&LIGHT Organic T-Shirt Woman FAST&LIGHT Organic T-Shirt Woman

                        FAST&LIGHT Organic T-Shirt Woman

                        Fresh, very lightweight women's T-shirt made from 100% organic cotton. Elastic, comfortable and a very light weight of 145 grams. /perfect even on the hottest days. Ideal for hiking, climbing or pre/post activity even in urban environments.

                        FAST&LIGHT - 83 grams (XS)

                        OEKO-TEX® STANDARD 100.jpgORGANIC CONTENT STANDARD 100.jpgfair_wear.jpg

                        Price €24.90