Don't let the cold stop you from taking one last run: the PhD Ski medium delivers maximum warmth and breathability when the going gets cold. Patent-pending Indestructawool technology provides ultimate durability to make sure...

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Don't let the cold stop you from taking one last run: the PhD Ski medium delivers maximum warmth and breathability when the going gets cold. Patent-pending Indestructawool technology provides ultimate durability to make sure your socks are ready to go, run after run. Made with our 4 Degree elite fit system for a sock that doesn't bunch, slip, or bind.

PhD:
Built for Performance in the Highest Degree

Indestructawool:
Indestructawool technology features a patent-pending construction method for exceptional durability and comfort

4 Degree Elite Fit System:
Uses two elastics for greater stretch and recovery to keep the sock in place

Mesh Venting:
Men?'s-specific mesh ventilation zones provide additional breathability and moisture management

Medium Cushion:
Medium cushioned shin and foot for impact absorption and warmth

Care Instructions:
Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.

  • Virtually Seamless toe
  • 14IN overall height
  • Sock Height: Over the Calf
  • Knit in USA of Imported Yarn
  • Style: SW015036
  • Virtually Seamless toe
  • 14IN overall height
  • Sock Height: Over the Calf
  • Knit in USA of Imported Yarn
  • Style: SW015036

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