Port Authority Impact Tech Backpack A technical backpack without the bulk, this slim style is rich with features, such as organization pockets and a dedicated laptop compartment, which will help keep your gear and technology in order. 300 denier twill polyester Spacious main compartment Dedicated back laptop compartment Front zippered valuables pocket Front zippered pocket with organization panel Side expandable pocket Adjustable slide sternum strap Padded air mesh back panels and shoulder straps Integrated carry handle Metal zipper pulls Luggage trolley pass through on back: fits most 15" laptops