🔥 HEAT HOLDERS YARN - Our Specially developed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities. 🔥 THERMAL BRUSHING - Our expert brushing process maximises the amount of warm air held inside each sock for total warmth and all day comfort. 🔥 1.0 TOG RATING - Now Heat Holders can fit into a normal dress shoe or trainer, with a decent tog rating of 1.0 means your feet can still be extremely warm! 🔥 HEAT HOLDERS LOOPS - Innovative knitting technology produces our unique, extra long looped cushion pile to hold in more warm air. 🔥 4 PACK SOCKS - Keep feet warm on the coldest of days and pull on this pair of Heat Holders Lite Thermal Socks. Now in a 4 pack!