OS2O

Base Layer

Women base layer for outdoor sports.

Base Layer

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Warmfit Merino 100 Shirt Woman

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

    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

      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

        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

          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

            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

              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

                Ultra Long Summit T-Shirt Woman 2024

                Long sleeve technical t-shirt for women designed to keep you cool and protect you against ultraviolet rays during mountain sessions. Fabric 100% recycled cool2Dry® microfiber dry very quickly and offers a soft touch in contact with the skin. Plus evacuate the humidity from the inside to the outside to keep you dry.


                FAST&LIGHT - 91g

                Made in Spain 140.jpg

                Price €39.90

                  Cotton T-Shirt Woman

                  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

                    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

                      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

                        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

                          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

                            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

                              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

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