anyone else try these … they costs about $10 in canada … they seem quite warm … havent temp low enough here yet to see how they compare to my heavy mountaineering socks …
2.3 TOGs = ~1.5 clo …
Using British Standard 4745, Heat Holders Thermal Socks register over 2.3 Tog (Thermal Overall Grade), approximately 7 times greater than a typical cotton sock. Essentially, the fabric used in Heat Holders Thermal Socks has a high enough thermal resistance to keep the warmth around your foot from escaping through the material.
Read more: http://www.thegearcaster.com/the_gearcaster/2011/12/warmest-socks-on-the-planet.html#ixzz1hEtHpMhP
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