Rab Hooded Vapour Barrier Sleeping Bag Liner Black, One Size

Down sleeping bags are often top choice when heading into hostile alpine environments for their lightweight nature and lofty warmth. The Hooded Vapour Barrier Sleeping Bag Liner from Rab is designed to prevent body moisture from degrading the insulative properties of your sleeping bag. Shaped in a mummy style, this vapor barrier slips neatly into your mummy bag and also helps retain heat by preventing evaporative cooling.