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PhD Nordic Medium


Product Description

Product Description

The ideal cold-weather Nordic sock.

We've added ReliaWool™ technology in high impact zones to increase durability.

You'll also get an incredibly secure and comfortable fit above and below the heel, under the arch and across the instep thanks to the new 4 Degree™ elite fit system.

  • 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
  • ReliaWool™
    Patented ReliaWool™ technology in high impact areas provides superior durability
  • Medium Cushion
    Medium cushioned shin and foot to protect against boot contact and ultimate warmth

Features & Specs


  • Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
  • Flat knit durable toe seam
  • 8.5" overall height
  • Sock Height: Crew
  • Knit in USA of Imported Yarn: 66% Merino Wool, 32% Nylon, 2% Elastane
  • Size Large: Knit in USA of Imported Yarn: 62% Merino Wool, 35% Nylon, 3% Elastane
  • Don't let the cold stop you from taking one last lap: the PhD® Nordic Medium delivers maximum warmth and breathability when the going gets cold. Built with long-distance comfort in mind, we've added our patent-pending Indestructawool technology for ultimate durability and our 4 Degree® elite fit system for socks that won't bunch, slip, or bind.


Sizing Chart

Sizing Chart

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