Carhartt Classic 25L Laptop Backpack. Classic pack with a large exterior pocket, made stronger 600-denier polyester with Rain Defender durable water repellent. Backpack features large main compartment with dedicated 15-inch laptop sleeve, two exterior side pockets, and a front zippered organization compartment. Includes comfort shoulder straps. Dimensions: 12”X 17.5”X 6”. Volume: 25L.