Rightly known as "the ultimate thermal sock," the Heat Holders original offers a thermal rating of TOG 2.3*, ensuring you'll never have cold feet again!

Whether you're engaging in outdoor activities, working in a cold environment, or simply want a little extra comfort during the cold winter months, Heat Holders are the number one choice.

Composition: 91% Acrylic, 5% Nylon, 3% Polyester, 1% Elastane

• Known as the ultimate thermal sock
• TOG 2.3* rating
• Designed for all uses
• The most popular product of Heat Holders

TOG rating means Thermal Overall Grade. It's a scientific test that measures the thermal performance of fabrics. Heat Holders thermal socks were rated with 2.34 TOG (Heat Holders LITE socks with 1.6). This means they are 7 times warmer than cotton socks and almost 3 times warmer than ordinary thermal socks!