OS2O

TRAIL RUNNING

Technical clothing for running and competing in the mountains

TRAIL RUNNING

Active filters

  • Size: 500 ml
  • Size: L/XL
  • Size: XXS (30-33)
  • Size: 300 ml

Warmfit Merino 100 Boxer

The Warmfit 100 Merino Wool boxers are high-performance underwear. Made entirely of pure merino wool, it offers total comfort as well as excellent performance. Extra soft touch in contact with the skin, for daily use on and off the mountain. An ideal complement to protect the most delicate area on the coldest days.

FAST&LIGHT - 94g (S/M)

merino wool

Price €34.90

    Warmfit Merino 100 Boxer

    The Warmfit 100 Merino Wool boxers are high-performance underwear. Made entirely of pure merino wool, it offers total comfort as well as excellent performance. Extra soft touch in contact with the skin, for daily use on and off the mountain. An ideal complement to protect the most delicate area on the coldest days.

    FAST&LIGHT - 94g (S/M)

    merino wool

    Price €34.90

      Racing Compression Shorts

      Compression shorts with integrated belt for trail running. Made with a seamless construction, which offers great freedom of movement, high support for the muscles, no friction, the Racing Shorts are ideal for long distances. With a balanced mix of polyester, polyamide and elastane fibers, they provide high compression while being resistant and highly breathable. Large-capacity integrated belt ideal for use in training and competition, the load is kept without bouncing even at high paces and on technical terrain.  

      FAST&LIGHT - 144g (XS)

      Price €59.90

        Racing Compression Shorts

        Compression shorts with integrated belt for trail running. Made with a seamless construction, which offers great freedom of movement, high support for the muscles, no friction, the Racing Shorts are ideal for long distances. With a balanced mix of polyester, polyamide and elastane fibers, they provide high compression while being resistant and highly breathable. Large-capacity integrated belt ideal for use in training and competition, the load is kept without bouncing even at high paces and on technical terrain.  

        FAST&LIGHT - 144g (XS)

        Price €59.90

          Racing Compression Shorts

          Compression shorts with integrated belt for trail running. Made with a seamless construction, which offers great freedom of movement, high support for the muscles, no friction, the Racing Shorts are ideal for long distances. With a balanced mix of polyester, polyamide and elastane fibers, they provide high compression while being resistant and highly breathable. Large-capacity integrated belt ideal for use in training and competition, the load is kept without bouncing even at high paces and on technical terrain.  

          FAST&LIGHT - 144g (XS)

          Price €59.90

            Softflask 300ml

            300 ml flexible bottle (10 fl oz.), ideal for those seeking a lightweight and compact hydration option. Its design and size make it perfect for carrying in hydration belts, fitting comfortably and allowing quick access to drinks during activity. The optimized nozzle size enables easy, fast flow, while the bottle compresses progressively as it empties, reducing volume, bounce, and discomfort while on the move. Made from high-quality, BPA- and PVC-free materials, it’s safe and environmentally friendly. This soft flask is the perfect companion to keep you well-hydrated on short to mid-distance outings, ensuring each sip is efficient and comfortable.

            FAST&LIGHT - 26g

            Price €11.90

              Softflask 500ml

              500 ml (17 fl oz) flexible bottle, designed to meet the needs of trail runners and long-distance adventurers. Its wide mouth allows for quick filling, making it easy to add ice or electrolytes to keep your drinks cool and optimize hydration. Made from high-quality, BPA- and PVC-free materials, it is safe for water and other beverages. Thanks to its ultralight design and ability to compress as it empties, it minimizes bounce and the risk of spills, enhancing your experience in demanding conditions. Compatible with most hydration packs, this soft flask is the perfect choice to keep you hydrated on medium and long-distance activities.

              FAST&LIGHT - 42g

              Price €13.90

                StretchLight Trail Belt

                Light high capacity trail running belt ideal for short and medium distance races or as an accesory to a vest in long distance ones. Its seamless highly stretchable fabric provides a perfect fit while carrying a mobile device, gels, bars, gloves, poles (front or back), a 500 ml soft flask and a waterproof jacket in a no-rebound compact way.

                FAST&LIGHT - 61g


                Made%20in%20Spain%20140.jpg

                Price €34.90

                  StretchLight Trail Belt

                  Light high capacity trail running belt ideal for short and medium distance races or as an accesory to a vest in long distance ones. Its seamless highly stretchable fabric provides a perfect fit while carrying a mobile device, gels, bars, gloves, poles (front or back), a 500 ml soft flask and a waterproof jacket in a no-rebound compact way.

                  FAST&LIGHT - 61g


                  Made%20in%20Spain%20140.jpg

                  Price €34.90

                    Arm Sleeves

                    Ultralight and functional arm sleeves that offer insulation, protection and a high breathability. Made of Polypropylene Dryarn and spandex, the OS2O Arm Sleeves provide high elasticity in both directions and a quick dry function even under high humidity environments. They also have good durability and resistance from scratches. A basic item providing safety and high performance in a minimum weight.

                    FAST&LIGHT - 24g (S/M) 

                    Price €19.90

                      Toesocks RUN

                      Running and Trail Running Technical Toesocks. The RUN! Toesocks provide freedom of movement while preventing blisters as it eliminates moisture and friction between the toes. Its high component of Nylon® and Coolmax® guarantees good moisture management, resistance and outstanding durability on any terrain and shoe.

                      Producto destacado Especial Material Desnivel 2017

                      Price €9.90

                        Shopping Cart

                        Back to shop

                        Cart is empty.

                        Account

                        Account

                        No account?
                        Create an Account