\'The Ultimate Thermal Sock\'. The Heat Holders Women\'s Original Thermal Sock boasts a 2.34 Tog rating to keep your feet warm and comfortable on even the coldest days.Do you suffer from cold feet? Well make it a thing of the past with these Heat Holders Women\'s Original Thermal Socks. Even if you aren\'t prone to cold feet you will love these comfy chunky socks. Developed from a heavy bulk yarn with long pile cushioning, they have a massive tog rating of 2.34. The inner is brushed for super soft comfort and to trap warm air close to the skin.FeaturesExceptionally warm - heavy bulk yarn with massive tog rating of 2.34.Cushioned - comfortable long pile cushioning.Super soft inner - intensively brushed.Fabric composition: 91% acrylic, 5% nylon, 3% polyester & 1% elastane