The smart hiking pack features 55-liter capacity top-load main compartment with gusseted drawstring closure under the lid. Adjustable side compression straps. Adjustable top lid with zippered pocket and lash points to hold extra gear. Top and bottom pack access. Bottom sleeping back compartment with zipper divider. Front flap with adjustable straps. Webbing daisy chain on both sides of the pack. Hydration-ready design with an internal reservoir sleeve and top center-mounted exit port for tube. Quiet, soft lashing hardware adjust to hold ice axe/hiking poles. Adjustable bottom compression straps. Molded foam back panel with AirFlow channels to keep your back cool. Ergo-fit shoulder harness, with adjustable load-lifters, is constructed with Vapel Mesh AirFlow and high-density foam. Adjustable waist belt, with Vapel Mesh AirFlow padding. Easy-access, shoulder strap mounted media pocket holds a GPS device cell phone. Adjustable sternum strap. Rain cover in bottom zippered pocket. Metallic ripstop, Metallic Waffle Weave, M8 Duraweave.