ALPS Mountaineering Red Tail 4900 Internal Frame Pack, Rust Top pocket converts to a fanny pack; Rain cover included; Rust, lightweight polyester ripstop; "Webbing Ladder" adjustable harness Front kangaroo pocket; Front stretch neoprene pocket; Top load w/extendable top lid; Spindrift collar with draw cord Rescue whistle buckle on sternum strap; Hydration pocket and port; Multiple side compression straps; Lower neoprene side bottle pockets "Over The Top" compression strap; Lower extra-large door w/#10 zipper; Internal horizontal divider Torso Range: 14 to 20.5 Inch; Capacity: 4900 cubic Inch - 80L; Weight: 5 pounds, 11 ounces; SKU 2436805