Designed for the coldest and wettest weather, the Extreme Cold Weather socks integrate a full waterproof membrane into their weave, ensuring that your feet will be dry during the coldest canyoneering descents. These socks may also function as vapour barrier socks for polar expeditions where warmth is paramount.

Tech Specs:

• 100% Waterproof and Breathable, with a 20,000mm hydrostatic head
• Three layer design: A premium merino wool interior is wrapped inside a full waterproof membrane as well as a tough nylon exterior with 4 way stretch.