CamelBak Cloud Walker 18 Hydration Pack Grab and go: a pack with the right features for a quick out-and-back Antidote Reservoir features easy open/close cap, lightweight fillport, dryer arms, center baffling and low-profile design Key Pack Features: Air channel back panel, three-point compression, side pockets, asymmetric gear access Designed to carry extra layers, food, trail maps, media CamelBak Got Your Bak Guarantee: If we build it, we'll Bak it with our lifetime guarantee