Campers up to 5 feet 11 inches sleep comfortably under the stars in the Coleman? Autumn Glen? 30 F Sleeping Bag, even when the temperature dips below freezing. Coletherm? hollow polyester insulation and a Thermolock? draft tube along the zipper prevent body heat from escaping. Packing up is made easy with roll-control fasteners that hold the bag straight as you roll and no-tie cords to keep things cinched tight for compact storage.