J.B. Field's Women's 40 Below Wool Thermal Winter Sock - Snowflake Pattern

If you are looking for one of the warmest thermal socks available, these contain 85% wool and will keep your feet warm to -40°C. They were designed for people who require a sock that can keep their feet dry and warm in the most extreme conditions. Not only is wool breathable but it is great at helping regulate body temperature by keeping your feet dry and wicking away moisture helping prevent blisters and control odor. J.B. Field's socks are made in Canada. Size Medium (Women's 5-9 Shoe / Men's 4-8). 85% Pre-shrunk Wool, 13% Nylon. Worn only once, in great condition.