The Marmot Col MemBrain -20F 800 Down Sleeping Bag gives you the comfort of home, even in the great outdoors. This bag has a 6-inch baffle width Velcro-freedown-filled collar, integrated with the draft tube to trap warm air inside the bag, keeping you warm. A hidden draft tube pocket lined with down, lets you store any night-time essentials, like your watch or alarm. Crafted from Marmot MemBrain, Waterproof/Breathable Fabric for excellent weather resistance, and comfort. It has a 9-baffle chest section, 11-baffle foot box and the Nautilus 6-baffle hood has chambers of down around the head, for a much better fit; and the hood cord has been placed, in such a way, that it is very easy to access. The Marmot Col MemBrain -20F 800 Down Sleeping Bag is a durable, sensible choicefor the outdoor adventurer.