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Vapor barrier liner gives about 10 F. You wake up damp and they are not real comfortable but they work. Not only does it hold some heat in it prevents moisture from building up in the bag. Espec...
Answer
Vapor barrier liner gives about 10 F. You wake up damp and they are not real comfortable but they work. Not only does it hold some heat in it prevents moisture from building up in the bag. Espec...