When youre on the road, organize your high-tech gadgetry with the Gravis Shadow Backpack. This 20-liter backpack has mad pockets to keep all your stuff organized. The top half of the two-sectioned back compartment stores your reading materials and iPod. The bottom half holds your toiletries and other essential travel items, and a back panel zipper gives you easy access. The Shadow Packs second main compartment protects your 15-inch laptop and fits a change of clothes or some textbooks. Four external pockets hold pens, computer cords, a cell phone, and a bottled water.