Evoc CC 6L Backpack + 2L Hydration Bladder Blue One Size Evoc CC 6L Backpack 2017 + 2L BladderThe EVOC CC 6l is a functional, lightweight backpack for performance with perfect fit and maximum ventilation for all those fast bike rides.FeaturesAIR PAD SYSTEM offers perfect back ventilation BRACE LINK for optimal adjustment of the shoulder straps Hip belt (detachable) 