Smartwool PhD Run Ultra Light Pattern Micro Sock

Smartwool PhD Run Ultra Light Pattern Micro Sock

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Unisex Smartwool PhD Run Ultra Light Pattern Micro Socks

Unisex Accessories

When it comes to running socks, we pull out all the stops to keep making improvements on our products. With brand new Shred Shield_ technology to help improve wear in the toe box, our PhD Run Ultra Light Pattern Micro socks feature the 4 Degree elite fit system and our Indestructawool technology for a dialed-in fit and improved durability.

Product Details

Benefits Include:

  • PhD: Built for Performance in the Highest Degree
  • 4 Degree Elite Fit System: For a dialed, performance-oriented fit with flex zone at ankle joint
  • Indestructawool: Technology featuring a patent-pending construction method for exceptional durability and comfort
  • Ultra Light Cushion: Non-cushioned for maximum performance in close-fitting shoes
  • Shred Shield: Helps reduce wear from toes
  • Virtually Seamless toe for enhanced comfort
  • Achilles tab designed to prevent sock from slipping down into footwear


  • Materials: Made in USA of Imported Yarns - 46% Merino Wool, 50% Nylon, 4% Elastane
  • Style: SW001403039