Sea to Summit Reactor Extreme Sleeping Bag Liner - Mummy w/ Drawcord:

The Reactor Extreme Sleeping Bag Liner Mummy w/ Drawcord Compact Yellow sleeping bag sheet is part of the brand's Reactor sleeping bag range. Sea To Summit.Providing extra warmth of up to 15°C and with its sarcophagus shape, you'll spend nights comfortably warm. The Reactor Extreme lining provides good insulation when temperatures drop, with a very welcome addition of warmth. This is the compact version of the Reactor Extreme Sleeping Bag Liner.Much more compact than a fleece bag, it'll fit easily into your bag!