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Wear 'em under your hiking socks to reduce friction on multiday trips, or wear 'em alone for summer day hikes. The REI Co-op Merino Wool liner socks put a layer of comfort between you and the trail.

  • Features

    • Supersoft merino wool is naturally odor-resistant, provides itch-free comfort and moves moisture away from skin; fabric blend is designed to dry quickly
    • Knit heel and toe areas are shaped for a comfortable fit
    • Seamless toes won't rub or cause chafing
    • Made using wool certified to the Responsible Wool Standard (RWS), which requires that sheep are treated in accordance with leading animal welfare standards
    • Made in USA with imported and domestic yarns

    Made in USA.

    View all REI Co-op Men's Hiking Socks
  • Technical Specs

    Best Use



    64% merino wool/34% nylon/2% spandex

    Sock Height


    Sock Cushioning

    No Cushioning

    Quick Drying


    Moisture Wicking





    Wool certified to the Responsible Wool Standard (RWS)

  • Size Chart

    S M L XL S/M L/XL
    U.S. Men's 5.5-8.5 9-12 12.5-14 5.5-8.5 9-14
    U.S. Women's 4-6.5 7-9.5 10-12.5 4-9.5 10-12.5

    Sizing Notes

    For socks, please use shoe size.

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