Texsport Firestorm Daypack 11.02" x 18.5" x 4.92", 27 liters or 1,220 cu. in. capacity Constructed of lightweight but rugged polyurethane coated rip-stop nylon - weighs less than 1 lb Top loading main compartment Mesh airtech back system and padded shoulder straps Two front pockets: top pocket with 1 headphone port and waterproof zipper; low mesh pocket