A liner with an excellent weight-to-warmth ratio - the Silk Stretch Liner Standard from Sea to Summit! The liner is made of pure silk, which is extremely lightweight, warm and feels great against the skin. The ripstop weave makes the fabric more durable and tear-resistant as well. Another great thing about the liner is the small pack size, which makes travelling much easier - perfect for anyone looking to keep things light but refuse to sacrifice comfort. The combination of a rectangular shape and stretch panels give restless sleepers all the room they need to toss and turn.The silk liner is a great addition to your normal down or synthetic sleeping bag. Itll protect it from dirt and moisture and even serve has a hygienic solution in hostels and huts. A storage bag is included with the liner for easy and compact transport. The Sea to Summit Silk Stretch Liner Standard is an absolute must-have!