Ladies Heat Holders Thermal Twist Socks: Keep feet warm, protected and supported in and out of the house in a pair of Heat Holders thermal socks. Main Features Heat Holders Tog Rating - With a massive tog rating of 2.34 they are the warmest thermal sock for you - 7X warmer than the ordinary cotton sock (0.33 tog)!. Heat Holders Yarn - Heat Holders' Specially developed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities. Heat Holders Loops -Innovative knitting Technology produces our unique, extra long looped cushion pile to hold in more warm air, increasing the TOG rating. Heat Holders Brushing - Finally, our expert brushing process maximizes the amount of warm air held inside each sock for total warmth and all day comfort. These socks are made from 91% Acrylic, 5% Nylon, 3% Polyester, 1% Elastane, are available in Ladies 4-8 UK and come in 18 styles which include colours like - Pink, Purple, Coral, Sky Blue, Charcoal, Cream, Brown, Raspberry and more. They are safely machine washable.Extra Product Details: Heat Holders Twist Socks 7X Warmer than an average sock Advanced Insulating Yarn Massive Tog Rating of 2.34 Double Brushed Inner 18 Colours Available Size 4-8 UK 91% Acrylic, 5% Nylon, 3% Polyester, 1% Elastane Machine Washable