Cocoon Mummy Liners are tapered sleeping bag liners to add warmth and comfort to any mummy bag. Easy to wash, Mummy Liners extend the life of your bag by protecting it from dirt and body oils. Features drawstring hood, boxed foot end, double stitched, and nylon stuff sack.Size: 86" x 33" tapering to 22". Stuff size: 3" x 6" 100%CoolMax? +8.4?F 10.8oz.