Mountainsmith Tour Lumbar Pack Comfortable 488-cubic-inch lumbar pack for hikes, urban touring, or school use Zippered main compartment, interior zippered hanging pocket, and zippered front pocket Pair of 32-ounce water bottle pockets; back-panel airline ticket pocket for traveling Tuck-away waist belt, air mesh foam back panel, and removable shoulder strap Measures 11.5 x 10 x 5 inches (W x H x D) and weighs 1 pound, 5 ounces; lifetime warranty