Evoc cc 6l 2l bladderthis functional cc 6l backpack from evoc is a compact performance backpack for those quick bike rides it provides the perfect fit and optimum ventilation thanks mainly to evocs brace link air pad system and air circulation technology extremely lightweightthis backpack is extremely lightweight weighing a little over 500g and features a backlight clip detachable hipbelt and a 2l hydration bladder theres also a key holder and pockets for sunglasses mobile phone and