Only the originals will do!When the original Heat Holders are that bit too chunky and bulky for your shoes or boots, now you can choose Heat Holders Lite Socks – a medium thick version of the Ultimate Thermal Socks! This ‘slimmer’ lightweight version has been designed for everyday casual fit footwear, but still provide the thermal protection and comfort Heat Holders are known for.The advanced insulating yarn still gives the high performance and superior moisture wicking abilities, with a less heavy and bulky medium length and thickness looped cushion pile. Intensely brushed for softness and performance, the pile still holds in more warm air than comparable socks too, increasing the thermal rating to a toasty 1.6 TOG for all-day warmth and comfort.Copied by many. Equalled by none. Heat Holders in partnership with Scleroderma & Raynaud's UK. SRUK is the only UK Charity dedicated to improving the lives of people with Scleroderma and Raynaud's phenomenon.