Trail running backpack - Almond Blossom maillots-hombre with extra ventilation zones in

with extra ventilation zones in the areas where it is most needed

In case of hypothermia or heat stroke

combine design and technology

With specific ventilation zones in the areas where it is most needed

Trail running backpack - Almond Blossom maillots-hombre with extra ventilation zones inThe 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