Mens Heat Holders Boot Thermal Socks Designed for unbeatable warmth and comfort, Heat Holders Boot Socks are perfect for long days outdoors in wellies or boots. Made with specially developed thermal yarn, they provide superior insulation against the cold while keeping feet dry and comfortable. Innovative knitting technology creates extra-long looped cushion piles that trap more warm air, raising the TOG rating for enhanced heat retention. To finish, Heat Holders’ expert brushing process intensifies softness inside each sock while maximising the amount of warm air held close to the skin for all-day comfort. Scientifically tested to be over 7x warmer than a basic cotton sock, Heat Holders Boot Socks have an impressive 2.34 TOG rating compared to just 0.33 for regular cotton socks. Whether you’re braving freezing weather, trekking outdoors, or working in boots, these socks deliver lasting warmth and performance. Extra Product Details - Heat Holders Boot Socks combine innovative yarn, knitting, and brushing technology for maximum insulation. They are durable, cushioned, and ideal for anyone needing dependable warmth in extreme conditions. • Specially developed thermal yarn for insulation and breathability - • Unique long loop cushion pile holds more warm air - • Expert brushing for softness and maximum heat retention - • 2.34 TOG rating - over 7x warmer than cotton socks - • Perfect fit for wellies and boots during cold weather