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Men's PhD® Run Ultra Light Micro Socks
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Men's PhD® Run Ultra Light Micro Socks


- White/Light Gray


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We put all of our smarts into these new and improved run socks that feature our 4 Degree® Elite fit system, ReliaWool® technology for superior durability and a virtually seamless toe. Men's-specific mesh ventilation zones provide ultimate temperature and moisture regulation where male runners need it most.



Built for Performance in the Highest Degree

4 Degree™ Elite Fit System
4 Degree™ Elite Fit System

Uses two elastics for greater stretch and recovery to keep the sock in place


Patented ReliaWool™™ technology in high impact areas provides superior durability

Mesh Venting
Mesh Venting

Men’'s-specific mesh ventilation zones provide additional breathability and moisture management

Ultra Light Cushion
Ultra Light Cushion

Minimal cushioning for maximum next-to-foot performance without added bulk


  • Virtually seamless toe
  • Achilles tab
  • 200 needle construction provides highest knit density while maintaining ultra light weight
  • 1.5" overall height
  • Sock Height: Micro
  • Made in USA of Imported Yarn: 54% Merino Wool, 42% Nylon, 4% Elastane
  • Style: SW0SW148


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