For the warmest, most versatile quilt ever, check out the Sierra Designs Backcountry Quilt 600. It?s a lightweight alternative to a sleeping bag, cut extra long for more coverage and warmth. Unique features insulate your head and arms.Oversized design is longer and wider than a traditional quilt for increased comfort. Full-length insulated arm and hand pockets provide insulation under the arms and allows you to easily maneuver the sides into a sealed tuck, to prevent cold drafts. Hide-away, integrated hood helps insulate your head on cold nights; Naturally stays sealed and draft-free when not in use. Weight-saving quilt design utilizes your sleeping pad for under-body insulation and padding. DriDown 600 fill duck down insulation stays dryer and dries faster than untreated down insulation.