●Polyester ●Imported ●Eco-friendly material: designed with a 100% post-consumer-recycled shell and liner, and Ecotherm fill ●ZipPlow zipper design: ensures snags-free easy opening and closing, with a possibility to zip two bags together for extra space ●Thermolock draft tube: innovatively designed to prevent heat loss through the zipper ●Roll Control: keeps the sleeping bag straight for easy packing ●Quick Cord system: helps to secure the rolled-up bag without tying