Sleep comfortably, even when it’s -5ï¾° F (-20.5556ï¾°C) outside, in the Colemanï¾® Big Game? Big and Tall Sleeping Bag with cotton canvas cover and cozy cotton flannel liner. The full-cover construction locks in the heat by eliminating quilting cold spots, making it perfect for extreme weather sleeping.Full cover construction eliminates potential cold spots.12 in. x 20 in. cotton flannel pillow included.ComfortSmart? Technology includes: ZipPlow? – plows fabric away from zipper, preventing snags Comfort Cuff? – surrounds face with softness Wrap ‘N’ Roll? system – simply roll bag into attached carrier.ZipPlow? – plows fabric away from zipper, preventing snags.Comfort Cuff? – surrounds face with softness.Wrap ‘N’ Roll? system – simply roll bag into attached carrier.2-way zipper allows airflow at foot of bag.Two like bags can zip together to make one double bag.Commercial Machine washable.