Evoc stage 3l backpack 2l bladderwhen you prefer to keep your cargo to a minimum the stage 3l provides everything you need in a compact lightweight and functional backpack the stage 3l is packed with evocs usual great features including a 2l hydration bladder this is the ideal pack for performance rides and racing evocs air flow contact system allows the stage 3l to be positioned in such a way that theres optimal ventilation for the back and shoulders together with a neutral load dis