Summit bags have been designed primarily for cold weather and high altitude mountaineers, but also for all adventurers entering hostile environments. The Pertex® Endurance outers offer maximum protection from the elements and top quality down fill gives great warmth for weight. Filled with 96% goose down on the top, 85% duck down on the base. Fill power 750+/ 560+ EU 850+/610+ US Weight 790g Comfort -2°C Dimensions 210 x 75cm Pack size 29 x 16cm