REI Co-op CoolMax Liner Socks

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Worn under your hiking socks, REI liners wick moisture away from your feet to help keep them cool, dry and blister-free.

  • Features

    • CoolMax® technology wicks and transports perspiration away from your feet
    • CoolMax also breathes well to further enhance the thermal insulating properties
    • Smooth, flat toe seam ensures no bunching or irritation for your toes
    • *Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9
    • Made in USA with imported and domestic yarns

    Made in USA.

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

    Best Use



    93% CoolMax polyester/6% nylon/1% spandex

    Sock Height


    Sock Cushioning

    No Cushioning



  • 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.

  • Reviews
    22 reviews with an average rating of 4.4 out of 5 stars

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