Classic

Final Sale 60% off

French Cut

Original Price

$35

Sale Price

$14

Thinx underwear is not made or treated with PFAS

Thinx underwear is not made or treated with PFAS

absorbency heavy

4 out 5 droplets
holds4
worth.
colorBlack

 - final sale*

Select a color

size

size chart

buy 3, save 10%

Buy 3-4 pairs for 10% off

Buy 5-6 pairs for 15% off

Buy 7+ pairs for 20% off

Savings are applied automatically during checkout. Our custom Set discount applies to Thinx period underwear and Thinx for All Leaks bladder leak underwear (but excludes Saver Sets).

buy 3, save 10%

Buy 3-4 pairs for 10% off

Buy 5-6 pairs for 15% off

Buy 7+ pairs for 20% off

Savings are applied automatically during checkout. Our custom Set discount applies to Thinx period underwear and Thinx for All Leaks bladder leak underwear (but excludes Saver Sets).

*final sale items are not eligible for returns or exchanges.

style

With a comfy high-cut leg, this retro silhouette is sure to make you feel chic — even on heavy days.

Thinx underwear is not made or treated with PFAS.

fit

This style has semi-full coverage and fits true to size, so we recommend ordering your usual size.

Thinx - French Cut - Style+Fit.jpg
Wear this one on moderate to heavy flow days when you want a bigger range of movement in the leg.

fabric

  • body: 84% polyamide, 16% elastane
  • body liner: 95% cotton, 5% elastane
  • gusset 1 (wicking): 95% cotton, 5% elastane
  • gusset 2 (absorbent): 96% cotton, 4% elastane
  • gusset 3 (barrier): 100% polyester, coated w/ breathable PU
  • SUPIMA® Cotton, elastane, polyester, polyurethane, Nanotex® wicking agent, Agion®
  • 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!

Thinx Classic illustration

Classic

Stylish silhouettes featuring seasonal colors and lace & mesh details in a silky-smooth fabric. Available in all 5 absorbencies for every type of flow.

I love how this fits! This might be one of my favorite styles. I like where it hits on my stomach and it’s just so comfy. It feels like a nice hug!
Natalie from Eugene, OR, 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!

Thinx - PDP - create a set

buy more, save more

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

FAQs