Sleeping bag liner explained
Sleeping bag liners are lightweight cloth sacks usually fitted inside sleeping bags to provide extra comfort, insulation, and help keep the sleeping bag clean.[1] [2]
A thin liner may feel softer against the sleeper's skin, add 5 °F warmth to the bag (not pad), and be easily washed after use (unlike the thicker sleeping bag). A thick, fleece-like liner can increase warmth by 10-15 °F. Liners also allow a sleeper to use the liner alone, without the bag in hot conditions.[3] Optionally, bug-repellents, pockets, and a pillow holder can be added to liners.
A vapor barrier liner (VBL) is special type of liner that blocks the sleeper's moisture from reaching the bag, thus stopping evaporative heat loss. Usually a sleeping bag liner is used inside a VBL.
Sleeping bag liners are issued as basic kit by various militaries including the US and British armed forces.[4]
Fabrics
Liners are made of silk, cotton, nylon and polyester among others;
- Silk liners: light, soft and strong and retain much thermal insulation even when wet
Cotton: heavier and bulkier than silk and absorbs water
Synthetic [mix]: usually light, strong, and do not absorb water
See also
- Bivouac sack - a small, lightweight, waterproof alternative to larger tent-like shelters
- Mosquito net - a type of meshed curtain that is draped over a sleeping area, to offer protection against bites and stings from pest insects, and thus against the diseases they may carry
Notes and References
- Web site: 7 best sleeping bag liners to keep you warm under the stars . www.independent.co.uk . Liz . Dodd . April 22, 2019 . August 10, 2019.
- Web site: Sleeping bags and mats . www.dofe.org . . August 10, 2019.
- Web site: How to Choose Sleeping Bag Liners . www.rei.com . . August 10, 2019.
- Web site: Clothing for Operations 'The Black Bag' . https://web.archive.org/web/20170915194010/http://army.mod.uk/documents/general/Black_Bag_A5_booklet.pdf . September 15, 2017 . Ministry of Defence.
