This Extreme Cold Weather/Mountaineering boot sock designed for extreme cold climates or rugged terrain. This is Darn Toughs warmest sock, 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.
All Weather Performance: Cool in the summer, warm in the winter.
Naturally Antimicrobial: Repels bacteria and odor.
Merino Wool: The ultimate fiber for breathability and comfort in all conditions.
Weight: Extra Heavy
Fabric Content: 80% Merino Wool, 19% Nylon, 1% Lycra® Spandex