Ideal for camping at higher altitudes or in cooler months, the Coleman Dunnock Cold-Weather Sleeping Bag helps you sleep comfortably in temperatures as low as 20°F. This sleeping bag features Fiberlock construction that keeps the insulation from shifting, reducing cold spots and increasing durability. A cotton cover and ultra-soft cotton flannel liner also keep you warm, as well as a Thermolock draft tube that prevents heat loss through the zipper. The bottom of the bag unzips to provide extra ventilation on warmer nights. The 2-way patented ZipPlow system plows fabric away from the zipper to prevent snags and frustration. Plus, the Roll Control design and Wrap 'N' Roll integrated packing system make this lightweight backpacking sleeping bag easy to roll and pack. This sleeping bag has a spacious design that can accommodate most people up to 5 feet 11 inches tall and is machine washable for easy cleaning.