REI Co-op REPREVE Active Quarter Socks

Color:Beachstone Gray
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Members get an estimated 10% back on this item.

When everything else is sweaty, make sure your feet are comfy in the REI Co-op REPREVE active quarter socks. They're made for running with a breathable, wicking recycled nylon blend.

  • Features

    • Mesh on the top of the feet provides breathability
    • Light padding on the heels and toes provides support without too much added material
    • Moisture-wicking and breathable fabric helps with moisture management through long runs
    • REPREVE® nylon is made from recycled pre-consumer fiber waste
    • Made in USA with imported and domestic yarns

    Made in USA.

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

    Best Use



    52% REPREVE nylon/44% nylon/4% Lycra spandex

    Sock Height


    Sock Cushioning

    Ultralight Cushioning

    Moisture Wicking





    Contains recycled materials

  • 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
    19 reviews with an average rating of 4.9 out of 5 stars

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