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Smartwool PhD® Run Ultra Light Micro

Smartwool PhD® Run Ultra Light Micro



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STORES - Available as of February 23, 2020 9:54:00 PM EST


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 Micro socks feature the 4 Degree™ elite fit system and our Indestructawool™ technology for a dialed-in fit and improved durability.


  • Sock Height: Micro
  • 4 Degree™ elite fit system
  • Virtually Seamless™ toe for enhanced comfort
  • Indestructawool™ technology
  • Achilles tab designed to prevent sock from slipping down into footwear
  • Mesh Venting
  • Ultra Light Cushion
  • Shred Shield technology

Product Specifications

Made in USA of Imported Yarns:
45% Merino Wool, 50% Nylon, 5% Elastane
0.94 oz