3 Days backpack is a great pack for outdoor activities. Featuring durable 1100 denier nylon construction and heavy duty zippers, this backpack can be used for hiking, camping, and many different activities. The main compartment is spacious, and the secondary compartments have internal pockets to help you organize your gear. Adjustable padded shoulder straps, sternum straps, and padded hip belt allows for a very stable load bearing platform. This unit also features side compression straps to help keep your load as close to your center of gravity.