Sold Out Earn Points SilkSak Double Silk Sleeping Bag Liner from $159.90 See Options Earn Points SilkSak Pillow Silk Sleeping Bag Liner from $94.90 See Options Earn Points SilkSak Standard Silk Sleeping Bag Liner from $79.90 See Options SilkSak A TRAVEL ESSENTIAL - When travelling in warm climates SilkSaks are the perfect lightweight alternative to a regular sleeping bag. You'll feel cool and comfy as your SilkSak keeps your skin dry and your temperature down. It keeps biting insects out, stuffs into a small pouch for lightweight packing and dries very quickly when washed. THE WARMEST SLEEPING BAG LINER - Your SilkSak works with you to keep your body temperature even. The 100% natural silk fabric provides a protective layer that increases the warmth of your sleeping bag by trapping warm air next to the body. It also extends the life of your sleeping bag by keeping it clean inside. The smooth fabric of SilkSaks helps to reduce unpleasant tangles in the night too!