The warmest and tallest sock in the line, the Extreme Cold Weather/Mountaineering over-the-calf sock is designed for extreme climate on rugged terrain. Featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability.
- Performance Fit: No slipping, no bunching, and no blisters.
- Fine Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel.
- Fast Action Wicking: Pulls moisture away from skin. Fast drying
- Merino Wool: The ultimate fiber for breathability and comfort in all conditions.
- Still made in Vermont, USA. Still unconditionally guaranteed for life.