OS2O

Base Layer

Men base layer for outdoor sports.

Base Layer

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OS2O The Skimo Race Suit

Ski mountaineering racing suit developed in conjunction with our team of athletes to meet the highest competition demands. Built in four-way stretch KYNETIC fabric that adapts perfectly to the body to offer maximum comfort, freedom of movement and a perfect temperature balance. Double elastic pocket to store seal skins, double interior pocket with zippers. Ankle area reinforced with anti-abrasion fabric, elastic rubber that is placed over the boot to guarantee a perfect fit. Lower leg adjustment system compatible with any boot attachment system and ski bindings.

FAST&LIGHT - 438 g.  (S)

Price €199.90

    Warmfit Merino 100 Shirt

    The Warmfit 100 Merino T-shirt 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 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 - 183g (S)

    merino wool

    Price €79.90

      Warmfit Merino 100 Shirt

      The Warmfit 100 Merino T-shirt 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 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 - 183g (S)

      merino wool

      Price €79.90

        Thermal Seamless Shirt

        T-shirt first layer it provides perfect regulation of body temperature. Made from a mixture of polypropylene and elastane seamless construction with thermo-active panels optimized to enhance ventilation in areas of increased sweating. Elastic, soft and adaptable to the body, with unrestricted action adjustment in movements, a ideal clothing for indoor aerobic activities at low temperatures or outdoor at medium temperatures.

        FAST&LIGHT - one hundred and forty-four grams . (S)

        Price €49.90

          Thermal Seamless Shirt

          T-shirt first layer it provides perfect regulation of body temperature. Made from a mixture of polypropylene and elastane seamless construction with thermo-active panels optimized to enhance ventilation in areas of increased sweating. Elastic, soft and adaptable to the body, with unrestricted action adjustment in movements, a ideal clothing for indoor aerobic activities at low temperatures or outdoor at medium temperatures.

          FAST&LIGHT - one hundred and forty-four grams . (S)

          Price €49.90

            Race Day Perforated T-Shirt

            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

            effepi.jpgOS2O hecho en España

            Price €34.90

              Mountain T-Shirt

              Trail Running ultralight technical T-shirt designed to keep you dry and cool during intense activities. Thanks to its fabric, Cool2Dry® 35, the F&L Technical T-Shirt is elastic, lightweight and breathable, making it ideal for trail running in the summer warmest days when breathability is paramount.

              FAST&LIGHT - 78 g (S)

              Made%20in%20Spain%20140.jpg

              Price €34.90

                Racing Summit T-Shirt

                Ultralight technical shirt designed to keep you cool and dry in competitions and high intensity training. Made of perforated Cool2Dry® fabric that provides extra ventilation and improves heat dissipation in effort-demanding moments, it also offers a soft touch in contact with the skin. An ideal shirt for activities in high temperatures.



                FAST&LIGHT - 60g

                Price €32.90

                  Racing Summit T-Shirt

                  Ultralight technical shirt designed to keep you cool and dry in competitions and high intensity training. Made of perforated Cool2Dry® fabric that provides extra ventilation and improves heat dissipation in effort-demanding moments, it also offers a soft touch in contact with the skin. An ideal shirt for activities in high temperatures.



                  FAST&LIGHT - 60g

                  Price €32.90

                    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)
                    Made%20in%20Spain%20140.jpgDryan

                    Price €32.90

                      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

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