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Heat Holders® are thermal socks that take warmth to a new level. Their three-step scientific process results in socks that have proven seven-times warmer than cotton socks, and are three times more effective at keeping feet warmer than standard thermal socks.
Made by Öjbro Vantfabrik of Sweden of 100% merino wool and four layers of insulation. It’s hard to believe that products so beautiful can be this warm and functional!