Heat Holders - Lounge Thermal Non Slip Bed Socks With Grip for Women 8 Colours 91% Acrylic, 5% Nylon, 3% Polyester, 1% Ela Machine Washable Heat Holders Lounge Socks - A another version of Heat Holders' Slipper Socks, these Lounge Socks have a gripper at the bottom of the sock to give more traction when walking on wooden floors. With a turnover cuff for extra comfort and warmth combined with Heat Holders thermal qualities, these Lounge socks are surely the best socks for those lazy winter Sundays. Heat Holders Loops - Innovative knitting tehnology 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 maximises the amount of warm air held inside each sock for total warmth and all day comfort. Heat Holders Tog rating - These socks are scientifically tested to be 7x Warmer than a basic cotton sock, with a tog rating of 2.3 Heat Holders Yarn - Our Specially developed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities.