Smartwool Mountaineering Extra Heavy Mid-Calf Sock [SW133]

This is a heavy duty outdoor sock. When you're going to extremes like mountaineering, ice climbing and long backpacking treks, you'll thank SmartWool that you wrapped your feet in these.

• Heavyweight cushioning throughout this sock
• Extra comfort, insulation and protection
• Ideal for mountaineering, ice climbing and long backpacking treks.
• Composition: 80% Wool, 19% Nylon, 1% Elastic