Tog Rating

TOG means Thermal Overall Grade. It is a scientific test that measures the thermal (heat retaining) capacity of fabric. Heat Holders® when tested using this standard rates TOG 2.34. This is 7x warmer than cotton socks and almost 3x warmer than an ordinary thermal socks! We test socks from most major brands that we can get our hands on and it is safe to say that Heat Holders® is almost 40% warmer than the warmest sock we have ever tested, which was a heavy sock with 80% plus wool!

This is why we claim that Heat Holders® are the warmest socks! Stay warm and comfortable this winter...

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