HEAT HOLDERS LITE - Mens Extra Long Knee High Plain Thin Thermal Socks for Wellington Boots (6-11 UK, Navy Blue)

HEAT HOLDERS LITE SOCKS - Heat Holders' creators have listened to customers calls to create a thermal sock that isn't so chunky, now Heat Holders can fit into a normal dress shoe or trainer. EXPERT 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 LOOPS - Innovative knitting technology produces our unique, extra long looped cushion pile to hold in more warm air, increasing the TOG rating. TOG RATING - These socks are scientifically tested to be 5x Warmer than a basic cotton sock, with a tog rating of 1.6. SPECIALLY DEVELOPED YARN - Our Specially developed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities.