91% acrylic, 5% polyamide, 3% polyester, 1% elastane. 2.3 tog rating with a reinforced heel and toe for heavy-duty usage.
Heat Holders - Mens Original Warm Thermal Winter Thick Socks 6-11 uk, 7-12 US
This is as they have been made from aspecially developed thermal yarn, which works to provide high performance insulation against the cold.
Heat Holders - Mens Original Warm Thermal Winter Thick Socks 6-11 uk, 7-12 US
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