Smartwool PhD Run Ultra Light Micro Socks - Women's

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You won't break your stride, thanks to the durable Indestructawool™ technology and Achilles tabs designed to help prevent slippage in the women's Smartwool PhD Run Ultra Light Micro socks.

  • 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™ toe reduces chafing
    • Achilles tab designed to prevent sock from slipping down into footwear
    • Women-specific fit; narrower heel and slimmer fit

    Made in USA.

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

    Best Use



    48% merino wool/48% nylon/4% elastane

    Sock Height


    Sock Cushioning

    No Cushioning

    Moisture Wicking




  • Size Chart

    S M L
    U.S. Women's 4 - 6.5 7 - 9.5 10 - 12.5
    EU 34 - 37 38 - 41 42 - 45

    Sizing Notes

    For socks, please use shoe size.

  • Reviews
    40 reviews with an average rating of 4.5 out of 5 stars

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