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So soft and light that you might forget you're wearing it, the women's REI Co-op Active Thong underwear wicks moisture, dries quickly and is antimicrobial for hiking, running and sweating outside.

  • Features

    • Stretchy polyester mesh is constructed with barely-there seams and trim details to keep active people comfy
    • Moisture wicking and quick drying for a fast recovery after sweating—and washing
    • Antimicrobial treatment reduces odor buildup in the fabric
    • Pairs with REI Co-op Active bralette (not included)

    Imported.

    View all REI Co-op Women's Briefs
  • Technical Specs

    Best Use

    Multisport

    Underwear Style

    Thong

    Fabric

    86% polyester/14% spandex mesh

    Moisture Wicking

    Yes

    Quick Drying

    Yes

    Fly Opening

    No

    Gender

    Women's

  • Size Chart

    XXS XS S M L XL 1X 2X 3X 0 2 4 6 8 10 12 14 16 18W 20W 22W 24W 26W
    Numerical Size 00 0-2 4-6 8-10 12-14 16 18 20-22 24-26 0 2 4 6 8 10 12 14 16 18 20 22 24 26
    Bust 31 32-33 34-35 36-37 38.5-40 42.5 45 47-49 51-53 32 33 34 35 36 37 38.5 40 42.5 45 47 49 51 53
    Sleeve Length 29.5 30 30.5 31 31.5 32.5 33.5 33.5 34.5 30 30 30.5 30.5 31 31 31.5 31.5 32.5 33.5 33.5 33.5 34.5 34.5
    Waist 24.5 25.5-26.5 27.5-28.5 29.5-30.5 32-33.5 36 38.5 40.5-42.5 44.5-46.5 25.5 26.5 27.5 28.5 29.5 30.5 32 33.5 36 38.5 40.5 42.5 44.5 46.5
    Hip 34 35-36 37-38 39-40 41.5-43 45.5 48 50-52 54-56 35 36 37 38 39 40 41.5 43 45.5 48 50 52 54 56
    Inseam 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31

    Sizing Notes

    Measurements are stated in inches unless otherwise indicated. Some women's pants are available in petite and tall sizes. Typically petite sizes fit women 4'11" to 5'3".

    Regular sizes fit women 5'4" to 5'8". Tall sizes fit women 5'9" to 5'11".

    PETITE: Generally, as compared to regular sizes, petite sizes are 2.5 inches shorter in inseam,

    1 inch shorter in body length, 1.25 inches shorter in sleeve length and ¾ inch shorter in total rise.

    TALL: tall sizes are 3 inches longer in inseam, 2 inches longer in body length,

    2.5 inches longer in sleeve length and 1.25 inches longer in total rise. Capri or cropped pants have an intentionally shorter inseam—reference the technical specs instead of this chart.

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