When you're high up on the mountain, the last thing you want to worry about is your feet. Wear the Smartwool Mountaineering Extra Heavy Crew Sock, and just worry about bagging that summit. This crew length sock utilizes Smartwool's wool on wool technology for maximum extra heavy cushioning and durability. A flat knit toe seam helps to avoid irritation inside your boot, and Smartwool's fit system gives added arch and ankle support.
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