- 85% PreShrunk Wool, 15% Nylon
- X-Hi Cushion - Full terry cushion for extra warmth and protection
- Size Medium (Men 4-18 Women 5-9)
- Size Large (Men 8-12 Women 9-13)
- Size X-Large (Men 13-16)
The -40 Below Arctic Trail is one of the warmest socks we make and contains an astonishing 85% wool! It was designed for people who require a sock that can keep their feet dry and warm in the most extreme conditions. We recommend wearing a liner sock to help wick away moisture because it will keep your feet smelling fresher, warmer and blister free!