Modal Cotton

Modal Cotton Brief

Original Price

$35

Sale Price

$24.50

colorBlack

 - final sale*

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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 Thinx for All Leaks bladder leak underwear (but excludes Saver Sets).

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

style

A comfy, full-coverage silhouette made from breathable Modal Cotton, for reliable leak protection that's easy on the planet.

fit

This style has an extended gusset for extra coverage and fits true to size, so we recommend ordering your usual size.

Thinx - Cotton Brief - Style+Fit.jpg
Wear this on moderate flow days for maximum coverage in a fabric that's cozy and buttery-soft (perfect for lounging!).

fabric

  • body/liner: 53% SUPIMA® Cotton, 35% TENCEL™ Modal, 12% 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®

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 Modal Cotton illustration

Modal Cotton

This comfy, cozy soft cotton blend offers a more luxurious, eco-friendly option - so you can feel good and do good for the planet.

The Cotton Brief is great to sleep in. Not only have I never woken up to a leak but they keep me cool at night, too.
Dayna from Albany, NY, light to heavy 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!

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Thinx - PDP - Promo - Create a Set 4/6/8

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