Coleman Stratus Adult Fleece Sleeping Bag Liner Versatile, low-profile fleece sleeping bag liner provides warmth and comfort Can be used on its own to keep you comfortable in temperatures as low as 50 degrees Fahrenheit Adds up to 12 degrees F of extra thermal protection to most full-sized sleeping bags ZipPlow system plows away fabric to prevent snagging during zipping Elastic storage strap and stuff sack for easy packing