See reviews @ http://www.amazon.com/gp/product/B003CKFG18?&tag=mdaydaily-20 Ease your burden with the High Sierra Powerglide wheeled backpack, perfect for the serious student. Its large, multi-compartmented design features a roomy main zippered compartment with a cushion zone padded (17 laptop sleeve, an organizer and media pocket, a zippered pocket, and several open pockets for quick access. It also boasts an easy-access zippered accessory compartment with headphone port and zippered side pockets for water bottles or other necessities. The expansive and versatile High Sierra Powerglide converts easily into a comfortable backpack with contoured, adjustable Vapel mesh shoulder straps and a zippered, paneled back panel. Perfect for hauling heavy loads across campus or across town