Go higher and farther with High Sierra Sport's Explorer 55 frame pack. Lightweight, rugged and roomy, it features a top loading main compartment with 55 liters of storage space, top and bottom pack access, a bottom sleeping bag compartment, a hydration ready design and plenty of accessories to hold gear like ice axes and hiking poles. 55 liter, top load main compartment with gusseted drawstring closure and adjustable top lid. Front load sleeping bag compartment with divider. ERGO FIT shoulder harness, with adjustable load lifters, is constructed with Vapel153 mesh Airflow153 and high density foam padding. Dual, contoured aluminum frame bars can be adjusted to fit the shape of your back. Molded foam back panel with Airflow153 channels to keep your back cool and dry. Front flap with adjustable straps holds extra gear. Webbing daisy chain on both sides. Internal hydration reservoir sleeve and dual exit ports for tube reservoir not included. Removable media pocket is attached