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Item #: 332709389 We put all of our smarts into these new and improved PhD Run Ultra Light Pattern Micro that feature our 4Degree® Elite fit system, Indestructawool™ 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.


  • Sock Height: Micro
  • Virtually Seamless™ toe
  • Achilles tab


  • Made in USA 
  • Yarns: 45% Merino Wool, 50% Nylon, 5% Elastane
  • Machine Wash Warm, Wash Inside Out