ALPS Mountaineering Wavelength Blanket - Whether you want to curl up next to the fireplace or enjoy the great outdoors on a chilly evening, the Wavelength Blanket is a perfect companion. Constructed with TechLoft Silver insulation, the Wavelength provides the warmth of a standard quilt without the bulk or weight. The Wavelength features 20D Nylon fabric that provides a soft, durable, water and dirt-resistant surface perfect for use indoors or out. Conveniently packaged with a stuff sack, the Wavelength is a compact and portable blanket designed to fit your active lifestyle. Features Durable, lightweight blanket provides comfort and warmth on-the-go Water and dirt resistant 20D 380T Nylon fabric TechLoft Micro insulation Stuff sack included for easy storage and transport