SKU: SS24337 Weighs: 255g (Compact) Liner Type: Mummy Shape Liner Fabric: Poly Blend Liner Treatments: Odour Control The Sea to Summit Reactor Sleeping Bag Liner is a lightweight, mummy-shaped liner that adds warmth and hygiene to your sleep system without adding bulk. Sea to Summit says:  With a mummy shape and Thermolite® P… Reactor Sleeping Bag Liner - Mummy w/ Drawcord