Heat Holders Slipper Socks Keep feet warm, protected and supported around the home in a pair of Heat Holders slipper socks for men. They have the normal warm feeling of Heat Holders and also feature special grips on their soles, to prevent slipping. Heat Holders Slipper Socks Keep feet warm, protected and supported around the home in a pair of Heat Holders slipper socks for men. They have the normal warm feeling of Heat Holders and also feature special grips on their soles, to prevent slipping. The Ultimate Thermal Sock 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 maximises the amount of warm air held inside each sock for total warmth and all-day comfort. Heat Holders Yarn Heat Holders' Specially developed thermal yarn provides high-performance insulation against cold with superior moisture breathing abilities. TOG RATING: TOG (Thermal Overall Grade) is an independent laboratory tested standard. The higher the tog rating, the better a product is able to keep you warm. 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)! NON-SLIP Their non-slip grip on the sole of these slipper socks will help you stay safe around the home, preventing slipping. Ideal for lounging around the house in, the gripper allows for extra safety on wooden floors and potentially slippy surfaces. 91% Polyacrylic, 5% Polyamide, 3% Polyester, 1% Elastane *Images are of the Heat Holders Slipper Socks collection