Ultra 7R Exped is an ultra-light mattress for extreme cold up to -30C. If you have to carry your winter gear in a backpack and not in a pulka then this mattress is perfect. A point that seems to us also essential is comfort. Beyond its thermal insulation this rectangular mattress is 9 cm thick! For fans of the winter "Fast and Light" skiing snowshoeing wherever the equipment should be as light as possible. For mountain mountaineering and other activities in the Nordic countries. The thermal insulation is ensured in particular by a cover in down of 700 Cuin. The Ultra 7R is equipped with two flat valves. They do not protrude from the mattress for good protection. There is one valve for inflation and another for deflation. The latter is equipped with a non-return valve to deflate and manage the firmness of the mattress.Medium Wide size: 183 cm long 65 cm wide. Filled with fillpower 700 goose down. The surface fabric is a 20 denier ripstop A Schnozzel pump bag is included to fill the pad without the need for blowing.