Smartwool Performance Run Cold Weather Mid Crew

SKU: SW001368-001-M

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This style is formerly know as the Men's PhD® Run Cold Weather Mid Crew Socks.

It's time to take burr out of your running vocabulary. Stride out in the PhD Run Cold Weather Mid Crew. A Merino blend and mesh zones designed for runners help keep your feet warm during long winter runs. With a run-specific profile and 4 Degree elite fit system, with two elastics for greater stretch and fast recovery, these socks stay in place at every turn and up every hill.


  • PhD - Built for Performance in the Highest Degree.
  • 4 Degree Elite Fit System - Uses two elastics for greater stretch and recovery to keep the sock in place.
  • Indestructawool technology features a patent-pending construction method for exceptional durability and comfort.
  • Mesh ventilation zones provide optimum moisture management and maximum breathability.
  • Light Elite Cushioning - Maximum impact protection with targeted cushioning on the ball and heel of the foot. Designed specifically for runners.


Length: 3/4 Crew
Weight: Light
Material: 56% Merino Wool, 41% Nylon, 3% Elastane