Pongee: Pongee is a very soft, silk-like polyester fabric that packs down quite well. Add additional warmth to your existing sleeping bag. Use alone, or use it to keep your bag clean. Stuff sack included.

Polyester: Polyester is durable enough to last through countless trips, but unlike some other blends it feels as soft against your skin as a silk sleeping bag liner. Add additional warmth to your existing sleeping bag. Use alone, or use it to keep your bag clean. Stuff sack included.