The Womens Teton Sleeping Bag by Marmot is an exceptional 3 season bag that will sleep down to 0deg, keeping you warm and cozy through any cold night. Insulated with 600 fill goose down and has more insulation than unisex bags in womens critical areas of heat loss - the hood, core of body and foot box. Designed to keep our bodies toasty, Marmot made the Teton with 6 chambers of down around the head for better down control and fit, and a down filled collar with an easy access draw cord to keep warm air in and cold air out. The body has stretch tricot baffles that provide strength, durability and keeps the down in one place eliminating the cold spots. The trapezoidal foot box leaves you with more foot room and has pockets near your feet to hold those life saving heat packets.The Teton is cut specifically to contour the womans body.