Camelbak kud u 18 packthe kud u 18 is a lightweight and streamlined enduro hydration pack with integrated back protection and 18 litres of cargo capacity this pack is built for enduro racers taking on fast descents whereby crashes tend to be inevitable the flexible back protector panel absorbs over 94 of impact in a crash and is designed to withstand multiple impacts the impact protector is made of flexible lightweight foam that moves with your body so youll get the protection you n