Smartwool PhD Run Ultra Light Low-Cut Socks - Men's

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Featuring Light Elite cushioning, the men's Smartwool PhD Run Ultra Light low-cut socks contain targeted padding placed where runners need it most, on the ball and heel of the foot.

  • Features

    • Indestructawool™ technology utilizes a proprietary yarn and construction method which strategically places merino and reinforcement fibers where they are needed most
    • Shred Shield™ technology reduces wear at toes
    • 4 Degree™ elite fit system uses 2 elastics for greater stretch and recovery
    • Body-mapped mesh zones increase breathability
    • Virtually Seamless™ toes reduce chafing
    • Achilles tab designed to prevent sock from slipping down into footwear
    • The low-cut height is an ideal balance of protection and comfort

    Made in USA.

    View the Smartwool PhD Product Line View all Smartwool Men's Running Socks
  • Technical Specs

    Best Use



    48% merino wool/47% nylon/5% elastane

    Sock Height


    Sock Cushioning

    No Cushioning

    Moisture Wicking




  • Size Chart

    S M L XL
    U.S. Men's 3 - 5.5 6 - 8.5 9 - 11.5 12 - 14.5
    EU 34 - 37 38 - 41 42 - 45 46 - 49

    Sizing Notes

    For socks, please use shoe size.

  • Reviews
    101 reviews with an average rating of 4.6 out of 5 stars

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