Extra-heavy cushioning will keep your feet warm and dry when you’re mountaineering, ice climbing or multi-day backpacking. An arch brace holds the sock in place.

Features:

• Sock hight: Crew
• Extra Heavy Cushion: The ultimate in impact absorption and warmth for mountaineering expeditions
• Flat knit toe seam
• Smartwool® Fit System: Ankle and arch braces provide a secure fit

• Made in USA of Imported Yarn: 74% Merino Wool, 25% Nylon, 1% Elastane