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Thinx for All

Cotton Bikini

Original Price

$17

Thinx underwear is not made or treated with PFAS

45-day trial
+ free returns

Don’t love 'em?
Get your $ back
no Qs asked

Thinx underwear is not made or treated with PFAS

absorbency heavy

holds4
worth.
colorBlack
Select a color

size

size chart

style

A comfy, mid-rise bikini made from cotton, with full bottom coverage and a high-cut leg. This style is built to handle heavy flow days.

Thinx underwear is not made or treated with PFAS.

fit

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

TFA_Bikini_Style+Fit.jpg
With a larger range of movement in the leg, these are perfect for yoga and low-intensity workouts.

fabric

  • body: 95% cotton 5% elastane
  • gusset 1 (wicking): 100% polyester
  • gusset 2 (absorbent): 96% cotton 4% elastane
  • gusset 3 (barrier): 100% polyester, coated w/ breathable PU
  • polyester, cotton, elastane, polyurethane, Agion®, Lava XL-N®
  • Thinx underwear is not made or treated with PFAS.

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

care instructions

Wash before wearing. Hand wash or machine wash cold on a delicate cycle. Do not use bleach or fabric softener. Hang dry — no ironing please!

introducing Thinx for All

Thinx for All

Everyday period underwear made from comfy cotton, available in our most popular absorbency levels.

These work so well! They kept me dry for several hours, and there were no leaks. They are super comfortable — I’m going to buy several more.
Heather D., Austin, TX

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!

Thinx - PDP - create a set

buy more, save more

Mix and match any Thinx undies — and you can save up to 20%.

FAQs