Rokk Wind River Large Top Load Internal Framepack Large, 4500-cubic-inch capacity, top-loading, internal-frame backpack with convertible lid Pack lid and waist belt detach to create a fanny pack Large main compartment with interior organizer; hydration pocket with integrated cooling liner Adjustable padded shoulder straps with load lifters and sternum strap; padded, adjustable back panel and waist belt Pack measures 29.5 by 15.5 by 7.5 inches; lifetime warranty