The Dura 5 is an inflatable mattress from Exped. The Dura 5R mattress is a rectangular shape and very compact. The pump system lets you inflate the mattress quickly and easily without having to wear yourself out, simply by using the pump bag. In addition, the insulation is ideal for use in all seasons and its 7cm thickness ensures excellent comfort. In short, the Dura 5R mattress is durable and extra warm for demanding adventures and extended trips in alpine and polar regions.