Made just for high-altitude, low-temperature excursions, the Mountaineering Extra Heavy Crew sock by Smartwool is the top choice for mountaineering, ice climbing, or peak bagging in the snow.
• Sizing clearly indicated on the sock
• Flat knit toe seam
• Sock Height: Crew
• Knit in USA of Imported Yarn: 74% Merino Wool, 25% Nylon, 1% Elastane
• Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.