Saved my feet in Yellowstone NP

Reviewed by Jen the Wolfie for a Week from Colorado on Monday, January 6, 2014
I bought boots rated at -65 degrees F, but within a few minutes of staying outside in the cold (5-20 degrees F) watching wolves in Yellowstone National Park, my toes were cold. I learned to pop these in before heading out and my feet stayed warm all day.
Previous Review “Pretty warm”
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