Therm-A-Rest

Synergy Sleeping Bag Liner

<p>The Synergy Sleeping Bag Liner from Therm-A-Rest is perfectly designed to bring you extra comfort and warmth in your sleeping bag. It fits perfectly into mummy sleeping bags and has two advantages as a liner.</p><p>Firstly, it improves sleeping comfort and means you don't have to clean your sleeping bag as often. Secondly, it increases your sleeping bag's warmth by approximately 3°C.</p><p>The Synergy Sleeping Bag Liner is made from a knitted stretch fabric that won't constrict you. The material is machine washable without any problems.</p>