The Energy 15.6-inch Backpack from Dell is tame enough for the corporate jungle, while tough enough to withstand the outdoor elements. It is durable, lightweight and made of water-resistant fabric. This backpack has fully-loaded features including rain-fly, adjustable padded shoulder straps, sternum strap, two water bottle pockets and reflective accents. There is a spacious storage section for a change of clothes and plenty of accessory storage with individual mesh pockets to keep you organized. There is also a dedicated neoprene notebook compartment for added protection. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.