CamelBak 2016 Arete 22 Hydration Pack A sleek, ultralight pack designed for peak bagging, minimalist adventures and traveling Antidote Reservoir features easy open/close cap, lightweight fillport, center baffling and low-profile design Converts to reservoir sleeve, zippered lid pocket with key clip, secure side stash pocket, removable frame sheet, highly compressible Designed to carry extra layers, rain shell, lunch, headlamp, trail map CamelBak Got Your Bak Guarantee: If we build it, we'll Bak it with our lifetime guarantee