Winter camping=damp bag. Why?

[Brad Groves]

Travis, I've been using an Exped Downmat 9 for winter, R8. Works great!

Feet do sweat a ton regardless; I've found that it seems to be even worse when feet feel cold and I add more insulation. I can't cite sources, but I'm pretty confident the reason for the chilliness is evaporative heat loss. Add more warmth, create more sweat, increase evaporative heat loss. Seems to be what I experience, anyway. Even if you don't use vbl elsewhere in your system, I highly recommend vbl socks in cold weather.

[Travis Leanna]

I may try some VBL socks. I'll probably do some "free" experimenting with bread bags loosely rubberbanded around my feet. If that makes a noticeable difference, I'll probably swing for some real ones.

[David Chenault]

I use VBL socks as a key part of winter foot system. I'd be concerned about using them at night as well, a dry foot is a happy foot.

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