A new and improved classic. The new PhD Outdoor Heavy Pattern Crew features ReliaWool technology for improved durability in the high wear areas and the 4 Degree elite fit system, to keep the sock in place and give you all-sp...

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A new and improved classic. The new PhD Outdoor Heavy Pattern Crew features ReliaWool technology for improved durability in the high wear areas and the 4 Degree elite fit system, to keep the sock in place and give you all-sport versatility.

PhD Built for Performance in the Highest Degree

4 Degree? Elite Fit System 4 Degree? Elite Fit System

4 Degree? Elite Fit System Patented ReliaWool? technology in high impact areas provides superior durability

Heavy Cushion Heavy cushioning offering significant impact absorption for extended backcountry excursions

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

  • Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
  • Flat knit durable toe seam
  • 7.5" overall height
  • Sock Height: Crew
  • Knit in USA of Imported Yarn - Style: SW0SW121
  • Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
  • Flat knit durable toe seam
  • 7.5" overall height
  • Sock Height: Crew
  • Knit in USA of Imported Yarn - Style: SW0SW121

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