RECOMMENDED USE | COLD WEATHER BACKPACKING, WINTER EXPEDITIONS, MOUNTAINEERING INSULATION PERFORMANCE | EXTREME COLD Engineered for the toughest terrain, Dura 10R comes equipped with features optimized for challenging cold-weather conditions such as snowy alpine expeditions and overnight winter adventures. Our signature DOWNMAT TECHNOLOGY(TM) uses high quality RDS certified duck down insulation to provide a high warmth rating, while a robust blend of 75 D/170 D polyester is durable enough to handle rugged conditions. Air chambers run head-to-toe, fully supporting the body for an unrivaled night&';s sleep. EXPED&';s comfort cradle side rails center and secure the sleeper on the mat. Features DOWNMAT TECHNOLOGY(TM) Reduces downshift & uses 700 cuin/oz down insulation to provide warmth in extreme cold. Durable recycled fabric Recycled polyester fabric provides high abrasion resistance while maintaining a soft, smooth surface. Comfort Cradle(TM) side rails Outer air chambers are larger than the inner chambers to center & secure sleeper on the mat. Welded baffles Welded baffles separate air chambers, creating a cushioned and stable sleep surface & preventing cold spots. Independent inflate & deflate valves One-way inflate & deflate FlatValves provide industry-leading durability, reliability & intuitive performance. Environmentally conscious insulation Contains sustainable & environmentally conscious down insulation certified to the highest animal welfare standards. R-Value 10 Temperature -55Adeg C / -67Adeg F Dimensions M: 72 x 20.5 x 3.5 inMW: 72 x 25.6 x 3.5 inLW: 77.6 x 25.6 x 3.5 in Weight M: 2 lbs 2.9 ozMW: 2 lbs 12.1 ozLW: 2 lbs 15.3 oz Packed Dimensions M: 9.1 x 6.1 inMW: 10.6 x 6.5 inLW: 10.6 x 6.7 in Pump Style Schnozzel pumpbag Includes Sleeping mat, stuff sack, Schnozzel Pumpbag UL, repair kit Fabric Recycled 75 D / 170 ripstop polyester, TPU polyether film laminate, bluesignA(R) approved Insulation 700 cuin/oz down, RDS certified