cold weather essentials!

Verified Buyer Reviewed by Nori from Montana on Wednesday, October 26, 2016
I spend 5-6 hours a day in winter temps of +20 to -30 and have relied on these since they hit the market many years ago. Real game changers. Don't expect "6+ hours of heat" tho -- 4 hours is more realistic. Don't buy more than you'll use in a year or two since they eventually start to degrade even when unopened. Keeping them in the freezer in sealed containers like canning jars (not just zip-lock bags) helps extend storage life.
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