x2 on that. I still have mine in a drawer destined to never see light of day again. The batteries worked. LOL!

The uninsulated rubber boots will work, but they have to be at least 2x bigger to allow room for the extra socks and your feet to have room to breathe. Polypropylene and wool socks will go a long ways in keeping your feet warm.

Cotton catches moisture real bad, so that's not good material for socks and lacks the thermal properties of other better fabrics.

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