air Bikini

Original Price

$35

absorbency light

holds 2worth.
colorSand
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size

size chart

buy 4 and save 10%

Buy 4-5 pairs for 10% off

Buy 6-7 pairs for 15% off

Buy 8+ pairs for 20% off

Savings are applied automatically during checkout. Our custom set discount applies to Thinx period underwear and Speax bladder leak underwear (but excludes Sale items and Saver Sets).

style

A comfy bikini silhouette — designed with ultra-thin micromesh to keep you cool, fresh, & dry on light to moderate flow days.

fit

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

Thinx - air Bikini - Style+Fit.jpg
This fabric is quick-drying and lightweight, making it perfect for travel & exercise and comfy enough to wear everyday.

fabric

  • 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

Hand wash or wash cold on a delicate cycle. Do not use bleach or fabric softener. Hang dry – no ironing please!

These super-light, mesh-y undies are my new holy grail. Perf for running and working out — honestly whether I'm on my period or not.
Leesa from New York, NY, 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.

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air Bikini

4.9
4.9 out of 5 stars

based on 613 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

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    days mostly worn on

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