Eider ES -10 Sleeping Bag

The Eider is the roomier version of the Widgeon, which was originally designed for the successful American K2 expedition in 1990. The Eider is the go-to bag for cold weather activities from mountaineering to snow camping, or for those who plan to wear down layers while sleeping to push the comfort rating of the bag. ES: Winter & Expedition. Pertex® Shield  15 denier with 40 denier rip-stop reinforcement fabric with  w ater-resistant/ breathable coating with   3 Layer  Pertex® Shield Air electrospun laminated fabric.    " The  Feathered Friends Eider EX -10  bag hits just about every mark yo...