Features Updated CrossFlo Suspension Ventilated EVA foam on hip belt and shoulder harnesses Top-loading main compartment with quick-draw top closure and full-body front U-zipper access Floating, removable top pocket with zippered pocket and key clip Under-lid zippered stash pocket Description Product Description Somewhere in between a daypack and a weekender lies the Z40, ready to crush a one-day ridge epic, support a winter summit attempt, or carry your warm-weather overnight setup through the desert. Side and bottom compression keeps smaller loads locked down for shorter outings, expanding when needed to gulp down rainwear or bulky layers in variable, wet, or cold weather.