Smartwool PhD Outdoor Light Mid Crew Socks - Men's

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With Indestructawool durability and merino wool performance, the Smartwool PhD Outdoor Light Mid Crew socks pack serious trail power, making them a favorite of thru-hikers and day-trippers alike.

  • Features

    • Indestructawool construction strategically places merino and reinforcement fibers where they are needed most for remarkable durability and comfort
    • 4 Degree Elite Fit system features 2 elastics for greater stretch and recovery to keep the socks in place
    • Ventilating mesh ensures maximum breathability, thermoregulation and moisture management
    • Virtually seamless toes offer extraordinary comfort
    • 6 in. overall height is ideal for wearing with low trail boots

    Made in USA.

    View all Smartwool Men's Hiking Socks
  • Technical Specs

    Best Use



    57% merino wool/40% nylon/3% elastane

    Sock Height


    Sock Cushioning

    Light 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.

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