Experience unparalleled warmth and comfort with Underworks Heat BodsTM Thermal Insulated socks. These innovative socks are crafted from extra thick yarns that effectively trap heat near the skin, providing exceptional insulation. With a TOG rating of 2.3, they are five times warmer than cotton socks, and the super brushed finish offers an extra softness for ultimate comfort. Take on the cold with confidence in our range of Heat BodsTM Thermal Base layers, designed to keep you warm throughout. Embrace winter with our ultra-warm Heat BodsTM and conquer the chill!