Originally Posted by
BillyBob58
VBs for sure work, in my experience. First by stopping evaporative cooling, which is a major contributor to cold. 2nd by keeping your insulation dry. I never though of a ccf pad as a VB, but I guess it is, at least as long you don't move anyway. If you move, then whatever damp area you then expose to air would start evaporating, defeating any purpose of VB as that area drys off, cooling you down. The idea with a VB is that-assuming you are not overheating and outright sweating- you will only get so wet, 100% humidity at the skin, and then you don't get any more damp. But if you break the seal ( unzipping a vb shirt, opening the garbage bag, or I suppose moving on a pad), the moisture evaporates, cooling you and then settling in you insulation.
Although, even if you move, maybe the pad would still reduce moisture that goes down into your quilt?
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