Cotton Brief

Original Price

$35

absorbency Moderate

holds 3worth.
colorFir
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size

size chart

buy 3 and 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 Speax bladder leak underwear (but excludes Last Call sale items).

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, 5% elastane 16% 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!

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

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Cotton Brief

4.7
average rating of 4.7 out of 5 stars out of 5 stars

based on 145 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 moderate and heavy

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    size purchased

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    days mostly worn on

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