5 of 5 people found the following review helpful
Good but you feel a bit claustrophobic,
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This review is from: Trespass Slumber Sleeping Bag Liner - Grey (Sports)
I used this when I hired a sleeping bag to climb Kilimanjaro. Temperatures reached up to minus 17 so this gave me some extra warmth! I felt very tangled at times though, there wasn't much leg room but that's probably to help you keep warm. Washes easily too.