Smartwool PhD Outdoor Ultra Light Mini Socks

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Whether it's a trail run at dawn or a hike in the heat of summer, Smartwool PhD Outdoor Ultra Light Mini socks use merino for maximum breathability, moisture management and temperature regulation.

  • Features

    • Indestructawool™ technology utilizes a proprietary yarn and construction method which strategically places merino and reinforcement fibers where they are needed most
    • 4 Degree™ elite fit system uses 2 elastics for greater stretch and recovery
    • Body-mapped mesh zones increase breathability
    • Virtually Seamless™ toes reduce chafing
    • Mini height offers balances a low profile with protection from debris; 3.75 in. overall height
    • Closeout

    Made in USA.

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

    Best Use




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

    Sock Height


    Sock Cushioning

    Light Cushioning

    Moisture Wicking




  • Size Chart

    U.S. Men's3 - 5.56 - 8.59 - 11.512 - 14.5
    U.S. Women's4 - 6.57 - 9.510 - 12.5
    EU34 - 3738 - 4142 - 4546 - 49

    Sizing Notes

    For socks, please use shoe size.

  • Reviews
    6 reviews with an average rating of 4.8 out of 5 stars

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