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Mountaineering Extra Heavy Crew


Full Description

Product Description

Extra-heavy cushioning will keep your feet warm and dry when you're mountaineering, ice climbing or multi-day backpacking.

Arch brace holds the sock in place, and a flat-knit toe seam will keep you comfortable.

Features & Specs


  • Wow Technology In Reinforced Sole For Maximum Comfort And Durability
  • 2 X 1 Rib Knit Cuff
  • Sizing Clearly Indicated On The Sock
  • Flat Knit Toe Seam
  • Smartwool Fit System With Arch And Ankle Support


  • Knit in USA of Imported Yarn: 74% Merino Wool, 25% Nylon, 1% Elastane
  • SmartWool® Fit System:
    Ankle and arch braces provide a secure fit
  • Extra Heavy Cushion:
    The ultimate in impact absorption and warmth for mountaineering expeditions

Sizing Chart

Size Chart