Wenzel Escape Large Internal Frame Pack (Grey) 30 inch x 14 inch x 9 inch size, with 4000 cu. In capacity Back panel - mesh over molded ventilated foam with integrated air channels to keep you cool Webbed carry handle, dual mesh water bottle pockets, hiking pole straps and side compression straps keep you together and organized Divider in main compartment for sleeping bag, with internal organizer in front pocket For comfort, a padded waist belt and shock absorber shoulder straps that include a sunglasses holder