DESC: A wide top opening makes getting in and out of the Underground easy. Two full size exterior zip pockets allow for quick access to the smaller items and a spacious main compartment fits your laptop, books, iPod and a layer or two. A great pack for students, the Underground is a reliable resource. [Imported] Unique 3 panel design Ballistic nylon exterior Fully lined with unique bike inspired gear graphic Headphone port One hidden exterior zip pocket Two exterior side pockets with secured organizer pockets, cell phone pocket, key ring tether and a water bottle holder (fits up to a 32oz bottle) Main compartment with MP3 pocket Padded laptop compartment Padded handle and contoured shoulder straps add comfort for heavy load Shoulder straps feature accessory attachment loop Waterproof, rubberized bottom Padded back panel Safety flasher attachment loop Timbuk2 Quality Guarantee