i use a sleeping bag liner to bust my temp but you do still eather need a under quilt or sleeping pad or you will have a cold butt
i use a sleeping bag liner to bust my temp but you do still eather need a under quilt or sleeping pad or you will have a cold butt
I have a Cabella's 650 down vest and underwear (pants) and I think it adds about 10-15F to my sleep system.
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