Silk is a luxurious, natural insulator to keep you warm the natural way! Silk Comforters will help keep heating costs low and keep you cozy warm at the same time. Light, warm, and incredibly luxurious. Spun silk floss on the inside covered with pure habotai silk. The silk adjusts to your body temperature, adding a perfect layer of warmth. So light, you feel like you are wrapped in a soft cloud. You will want one on your bed and to snuggle up in on the couch. Baffling holds the spun silk in place. Filled: Silk floss. Layers of hand stretched silk. Care: Dry clean.