Sleep comfortably even when it's 0â° F outside in the Coleman Heritage Big and Tall Sleeping Bag. The full-cover construction locks in the heat by eliminating quilting cold spots, making it perfect for extreme weather sleeping. The bag's roomier design keeps campers up to 6'7 warm from top to bottom. The specially-designed, patented zipper system plows fabric away from the zipper to avoid snags. The Comfort Cuff feature surrounds your face with softness when you sleep and the Thermolock system reduces heat loss though the zipper. Fiberlock construction prevents insulation from shifting, extending the life of your sleeping bag. When you're ready to pack up, our patented Roll Control system keep the bag in place for easier rolling and the no tie patented packing system makes storage a cinch. The bag is machine washable with a cotton cover and cotton flannel lining.