The Daily Set in Bikini

$94($105 Value)

what's inside

what are these?

  • 1 air Bikiniin Black

    2 out 5 droplets
  • 1 air Bikiniin Electrolight

    2 out 5 droplets
  • 1 air Bikiniin Superberry

    2 out 5 droplets
  • holds


    size chart


    Wear Thinx on and off your period with this Set — featuring 3 air Bikinis designed with ultra-thin micromesh to keep you cool, fresh, & dry on light to moderate flow days.

    air Bikini in Black, Electrolight, and Superberry


    This style has a slightly higher cut leg and full back coverage. It fits true to size, so we recommend ordering your usual size.

    This fabric is quick-drying and lightweight, making it perfect for travel & exercise and comfy enough to wear everyday.


    air Bikini

    • body: 78% polyamide, 22% elastane
    • gusset 1 (wicking): 95% cotton, 5% elastane
    • gusset 2 (absorbent): 96% cotton, 4% elastane
    • gusset 3 (barrier): 100% polyester, coated w/ breathable PU

    Our underwear is certified according to STANDARD 100 by OEKO-TEX:registered: [20.HUS.04850 | HOHENSTEIN HTTI]

    care instructions

    To take care of your Thinx, give ‘em a spin in the washing machine on cold (just no softener or bleach!), and hang dry. Do not iron!

    The holy grail of underwear. Super light, mesh-y, perfect for running or working out. I wear them even when I’m not on my period.
    Tatiana from Amherst, MA, very light to moderate flow

    how our period underwear works

    Thinx - PDP - take the Know Your Flow quiz

    find your style

    Tell us a li'l bit about your flow, and we'll match you with the right pair!

    take the quiz
    Thinx - PDP - Promo - Create a Set 4/6/8

    don’t see a Set you love?

    Customize your own unique set with our Cycle Set discount! The more you buy, the more you save.

    create a Set

    The Daily Set in Bikini

    4.8 out of 5 stars

    based on 13 reviews

    Average Fit

    Customers rate Average Fit as being: between runs small and true to size

    Days Worn On

    Customers rate Days Worn On as being: between light and moderate

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      size purchased

      period management

      days mostly worn on

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