Rokk Bristlecone Midsize Panel Load Internal Framepack Hydration-compatible 2900-cubic-inch capacity, panel-loading, internal-frame backpack Large main compartment with interior organizer; hydration pocket with integrated cooling liner; elastic mesh helmet pocket Adjustable padded shoulder straps with load lifters and sternum strap; padded, adjustable back panel and waist belt Two mesh side pockets; detachable GPS pocket on the shoulder strap; hide-away bottom mesh pocket Pack measures 22 by 12 by 7 inches; lifetime warranty