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  • Smartwool Socks

    PhD Run Ultra Light Micro

    $16.95

    When it comes to running socks, we pull out all the stops to keep making improvements on our products. With brand-new Shred Shield™ technology to help improve wear in the toe box, our PhD® Run Ultra Light Micro socks feature the 4 Degree™ elite fit...

  • Smartwool Socks

    PhD Outdoor Ultra Light Crew

    $20.95

    When you 've got lots of miles to cover but only want the minimum between your foot and boot, the PhD® Outdoor Ultra Light Crew is the perfect trail companion. With our new Shred Shield™ technology for reduced wear from toes, 4 Degree™ elite fit system...

  • Smartwool Socks

    PhD Outdoor Light Micro

    $18.95

    An ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery. Featuring Indestructawool™ technology for ultimate durability and the 4 Degree® elite fit system for a...

  • Smartwool Socks

    Hike Medium Crew

    $19.95

    This all-purpose sock was designed for rugged day hikes or moderate backpacking. An arch brace holds the sock in place and adds additional support. A flat-knit toe seam keeps you comfortable.

  • Smartwool Socks

    PhD Outdoor Light Pattern Mid Crew

    $21.95

    A favorite of through-hikers and day-trippers alike, the PhD® Outdoor Light Mid Crew packs some serious trail power. Featuring a versatile, multi-sport design, this lightweight style includes Indestructawool™ technology for ultimate durability in...

  • Smartwool Socks

    PhD Outdoor Light Crew

    $22.95

    Experience durability at its peak with the PhD® Outdoor Light Crew. Featuring Indestructawool™ technology, a patent-pending wool-based durability construction, these socks are ready for any adventure on your list. Plus, with redesigned mesh zones, a...

  • Smartwool Socks

    PhD Pro Outdoor Light Crew

    $27.95

    When you're out there, the last thing you want to think about is your feet. That's why we made the PhD® Pro Light Crew with Indestructawool™ technology, a 4 Degree™ elite fit system, and body mapped mesh vents for breathability. So you can escape without...

  • Smartwool Socks

    Paradise Leaf Crew

    $21.95

    The comfort, support, and fit of the Women's Paradise Leaf Crew will have you feeling like you're in paradise yourself. Its women's-specific fit will make you feel like this sock was made just for you.

  • Smartwool Socks

    Athletic Light Elite Micro

    $15.95

    Enjoy the comfort of responsibly sourced Merino wool while playing your favorite sports with our Athletic Light Elite Micro socks. These men's socks use targeted cushioning around the toes and heel and feature our Smartwool 2 Degree fit system with...

  • Smartwool Socks

    PhD Cycle Ultra Light Dialed Print Crew

    $20.95

    If you want to express your passion for peddling without having to say a word, then our PhD Cycle Ultra Light Dialed Print Crew socks will do it for you. Featuring an eye-popping biker print, these cycling socks are perfect when you're feeling casual or...

  • Smartwool Socks

    PhD Outdoor Heavy Crew

    $26.95

    Venture further and stay warmer with the PhD Outdoor Heavy Crew. Heavy cushioning and the power of Merino help keep your feet warm, dry and comfortable whether you're out on a multi-day trek or trudging through the snow. Featuring Indestructawool...

  • Smartwool Socks

    PhD Outdoor Light Micro.

    $18.95

    The PhD Outdoor Light micro is made for the trail. Featuring Indestructawool technology for ultimate durability, we've designed these socks to outlast your greatest adventures. And with features like mesh zones for maximum breathability, a Virtually...