Camelbak rogue hydration packcamelbaks rogue hydration pack delivers the convenience of an external fill of water in a sleek lightweight bike pack for long epic adventures you can take advantage of the on the fly refill option as the quick release flap allows you to top up your two litre antidote reservoir whenever it is convenient or you need a break from the actionconvenient pockets for additional storagemade with two external pockets for small essential items like wallet keys food