The Outdoor Guy

The S3 silk sleep sack is a 100% silk sleeping bag liner with an attached waterproof pouch. It boasts a high-quality, lightweight and compact silk construction that makes for a comfortable addition to your sleeping bag or it can be used as a travel sheet. With a pillow compartment and a half-slit opening with 4 ties, the S3 will ensure you get a clean, comfortable place to sleep.