does not work well in ski boots

Verified Buyer Reviewed by montexan from missoula, mt on Wednesday, January 19, 2011
not enough air flow in my ski boots for these to work. will use them in other shoes in the future.
  • Best Uses: In loose fitting footwear
  • Cons: Not hot in ski boots
  • Was this a gift?: No
Previous Review “A great way to keep warm”
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