Designed so that your performance does not decline even on the most humid and hot days

Son transpirables

keeping your forehead dry and preventing sweat from dripping

A simple suction guarantees a sufficient liquid supply every time you want to drink

an ultra-light and flexible material

Trail running backpack - Black & Orange cinturones-portadorsal Designed so that your performanceThe new OTSO Backpack redefines the way you carry everything you need for your longest adventures. A design that adapts to your body so you can go further with fewer worries. Load everything you need, without it being a burden. After months of work and testing with our athletes, we have developed an optimal fabric and design for intense and prolonged use. Following the OTSO standard, we have focused on ergonomics, comfort, and breathability. With a