My Husband uses these for hunting. He says that they keep his feet warm while sitting for a long period of time, They are not hot, just right . But the sizing could be better as he has to push them to the front for his toes, but it does not bother him or feel funny in his boots when walking.
Grabber Footwarmers are excellent if you need to stand in the cold for several hours or if you have footpain that is triggered by the cold. They are an excellent product at an excellent value.
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