The poncho liner aka "woobie" has been the comfort blanket of military men and women for decades. We took that same blanket, and added a zipper, to easily convert this into a sleeping bag. The BattlTac "Bubbie" was born. This will quickly become your favorite blanket for all things. The options are endless and the camouflage patterns, just make it that much cooler. * The poncho liner aka "woobie" has been the comfort blanket of military men and women for decades * Use as a poncho liner, sleeping bag, blanket, sleeping pad, or sleeping bag liner - Keep in the vehicle so you always have something to stay warm * We added a zipper so that it could also be used as a Sleeping Bag or make any sleeping bag even warmer by using the Woobie as a liner - 100% Ripstop Polyester Shell, 100% Polyester Batten * Built-in Tie Down straps on corners & comes with matching camo carry bag * 100% Ripstop Polyester Shell & 100% Polyester Batten