Features: Eco-conscious warmth to 30degF, made with 100% post-consumer-recycled shell, liner & Ecotherm(TM) fill Contoured design has extra space at the top to keep your pillow off the ground ZipPlow zipper design prevents snags so bag is easy to open and close Thermolock (TM) draft tube helps prevent heat loss through the zipper Comfort Cuff(TM) frames the face with soft fabric for cozy sleep Roll Control(TM) keeps the bag straight, making it easier to pack up Quick Cord(TM) secures the rolled-up bag without tying Built-to-last design