If you’re out there in the cold, you need the Mountaineering sock with you. Streamlined performance fit. Chock full of Merino Wool warmth. These socks keep you moving up when the rigors of the trail get you down. 73% Merino Wool 25% Nylon 2% Lycra Spandex

• Performance Fit: No slipping, no bunching and no blisters
• Fine Gauge Knitting: Unprecedented durability and Darn Tough's 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