Icebreaker Siren Base Layer Tank Top - Women's

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Color:Gritstone Heather
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The soft, stretchy Icebreaker Siren tank top is a highly functional layering top for any day of the year. Layer it over the Siren Bra and under any mid layer for enhanced breathability and comfort.

  • Features

    • Core-spun fabric features soft merino wool fibers wrapped around a nylon core for added strength and durability, while retaining next-to-skin softness
    • Lightweight yet durable and breathable fabric resists odors naturally
    • Fabric blend also wicks moisture and dries quickly
    • Scoop neck and slim fit offer a sleek look
    • Icebreaker Siren bra sold separately


    View all Icebreaker Women's Tank Tops
  • Technical Specs

    Best Use



    83% merino wool/12% nylon/5% Lycra spandex

    Moisture Wicking


    Quick Drying


    Sleeve Length




  • Size Chart

    XS S M L XL
    Numerical Size 0-2 4-6 8-10 12-14 16-18
    Bust 32.25 34.25 37 39.25 42
    Waist 25.25 27.5 30 32.25 35
    Hip 35.5 37.75 40 42 44.5

    Sizing Notes

    Measurements are stated in inches unless otherwise indicated.

    CHOOSING THE RIGHT SIZE: If your body measurements are midway between two sizes, select the smaller size for a tighter fit or the larger size for a looser fit. If your body measurements result in different sizes, we recommend using your chest measurement for tops and your hip measurement for pants.

  • Reviews
    689 reviews with an average rating of 4.7 out of 5 stars

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