BCA Stash Pro 40 UL BackpackBCA's lightest, most versatile, and fully featured Stash pack yet. The Stash Pro 40 UL is designed for big days in the backcountry and mountaineering. The highest volume Stash pack, with a roll top closure to maximize space, side access zip, Side Stash pocket, Back Stash zip, and all the accessory carry options you need for alpine pursuits. Compression straps and a cinching hook closure allow you to tighten the pack up for smaller missions when its