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The only movement you should notice on the trail is your feet. Get the support and comfort you need for sweaty, heart-pumping endeavors with the Smartwool Merino Seamless racerback bra.

  • Features

    • Merino wool interior wicks moisture and offers next-to-skin comfort
    • Engineered knit cups and wide straps help provide stability and support
    • Removable padding lets you customize your coverage


    View all Smartwool Women's Sports Bras
  • Technical Specs

    Best Use



    85% nylon/15% elastane

    Lining Fabric

    68% merino wool/21% nylon/11% elastane

    Bra Support

    Medium Impact

    Support Style

    Compression / Encapsulation

    Strap Type




  • Size Chart

    XS S M L XL
    Band/Cup 30 A-C 32 A-C 34 A-C 36 A-C 38 A-C
    Band/Cup 32 A-B 34 A-B 36 A-B 38 A-B

    Sizing Notes

    NOTE: For C cups, Smartwool recommends this bra for low-impact activities.

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