Bag features: - Shoulder straps with cell/media pocket. Specially contoured shoulder straps are ergonomically designed with added padding for comfort and control. - Audio interface earbud port - Water bottle pockets. External pocket features elasticized mesh pockets that will expand to secure various size water bottles for convenient access. - Organizer. Interior pocket organizer provides divider pockets for pens pencils cell phone and detachable key fob. Backpack measures 17.75 x 13 x 6.75 inches (45 x 33 x 17cm).