When it comes to running socks, Smartwool pulls out all the stops to keep making improvements on their products. With brand-new Shred Shield™ technology to help improve wear in the toe box, Smartwool's PhD® Run Ultra Light Micro socks feature the 4 Degree™ elite fit system and their Indestructawool™ technology for a dialed-in fit and improved durability.

Smartwool Men's PhD Run Ultra Light Micro Socks Black

$18.95Price
Size
  • Large Mens 9-11.5

    XL Mens 12-14.5

    • Indestructawool™ technology for enhanced durability
    • 4 Degree™ elite fit system for a dialed, performance-oriented fit
    • Shred Shield technology reduces wear from toes
    • Body-mapped mesh zones for added breathability
    • Virtually Seamless™ toe for enhanced comfort
    • Achilles tab designed to prevent sock from slipping down into footwear
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