Designed to keep you warm all night long, this microfleece sleeping bag liner is a must-have for every camping trip! Simply slide the liner over you using the quarter-length slit opening and velcro closure. Then hop on into your sleeping bag and use the pull string hood to keep you warm and your pillow in place. When it’s time to go, pack the liner down into its compression stuff sack for easy storage. Liner is machine washable.