Backcountry Access Stash Alp40 Backpack - 2440cu in

For your next alpine ascent or hut trip, haul everything you need in the Backcountry Access Stash Alp 40 Backpack, and you won't have to worry about your hydration system freezing. The Alp 40's stash storage system's new Outlast phase change materials actually store heat from your body and release it when the temperature drops, warming the water when you're not moving. The system is also Nalgene compatible, which eliminates the hassle of cleaning out a bladder. Simply fill a Nalgene, unzip the long, storm-proof side zipper, and attach your Nalgene bottle to the included adapter. The Alp 40's convertible compression straps don't discriminate between skis or a snowboard carry a board vertically or your skis A-frame style. Load your probe and shovel handle into the easy-access external pockets, safely store your ice tools in the burly hook-and-loop straps, and attach loads of other gear onto the daisy chains.