💜 HEAT HOLDERS YARN - Our advanced Japanese designed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities and softness. 💜 HEAT HOLDERS PATENTED LOOPS - Our innovative knitting technology produces our UK PATENTED long looped cushion pile to hold more warm air. 💜 HEAT HOLDERS BRUSHING - Our expert brushing process maximises the amount of warm air held inside each sock for unbeatable warmth and ALL DAY comfort. 💜 HIGH TOG RATING - The higher the tog rating, the warmer the socks. With a comfortable tog rating of 2.3, these socks are guaranteed to keep you warm! 💜 COLOURFUL STYLES - Choose from our wide selection of colours, patterns and designs for the most fashionable pair of socks for you!