Texsport Bartlett Daypack 18.1" x 12.2" x 5.5", 49 liter or 2,985 cu. in. capacity Constructed of 600 denier polyurethane coated rip-stop polyester Foam padded back panel and padded shoulder strap with adjustable sternum strap and attachment loops Two side compression straps Three top loading compartments with heavy-duty zippers and weatherproof flap