NEW MARMOT CWM MEMBRAIN -40F DOWN SLEEPING BAG. The Marmot CWM MemBrain -40 Degree Down Sleeping Bag is for the extreme bag for the worst conditions. High in the Himalayas, No Problem. Deepin the Andes, No Problem. Deep in the Alaskan backcountry, NoProblem. This is possibly the warmest, best sleeping bag in the world. High-quality 800+ fill-power goose down and Pertex Shield waterproof, breathable fabric form the core of this portable environment designed to deliver restful sleep in the harshest alpine environments. Over-engineered with sturdy reinforced linings and countless baffles for a lifetime of dependable comfort and protection. Certified 800+ Fill Power GooseDown. Reinforced Foot Box Lining. This is a brand new item. Has never been used. Stored in a hanging position as down bags are supposed to be. The bag has no wear or damage. The item “NEW MARMOT CWM MEMBRAIN -40F DOWN SLEEPING BAG” is in sale since Sunday, December 22, 2019. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “cyberdefensecontractors” and is located in Gloucester, Massachusetts. This item can be shipped to United States.