Modal Cotton
Final Sale 50% off
Modal Cotton Brief
$35
$17.50
Thinx underwear is not made or treated with PFAS
Thinx underwear is not made or treated with PFAS
absorbency super
holds5worth.
regular tampons'
regular tampon
menstrual cup
pantyliner
regular pad
mL
teaspoon
colorSlate
- final sale*
size
size chart
buy 3, save 10%
buy 3, save 10%
*final sale items are not eligible for returns or exchanges.
style
A comfy, full-coverage silhouette made from eco-friendly Modal Cotton — now in our highest absorbency.
Thinx underwear is not made or treated with PFAS.
fit
This style has an extended gusset for extra front-to-back coverage and fits true to size, so we recommend ordering your usual size.
Wear this on your heaviest days or overnight for maximum leak protection that's cozy and buttery-soft.
fabric
- body/liner: 53% SUPIMA® Cotton, 35% TENCEL™ Modal, 12% elastane
- gusset 1 (wicking): 100% polyester
- gusset 2 (absorbent): 100% polyester
- gusset 3 (barrier): 100% polyester, coated w/ breathable PU
- polyester, 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!
Modal Cotton
Our buttery-soft Modal Cotton blend of SUPIMA®️ Cotton and TENCEL™ Modal is perfect for feeling *extra* cozy on your period.
My flow is kinda all over the place but even on my heaviest days, these hold up. I need more pairs!Ellen from Indianapolis, IN, light to heavy flow
how our period underwear works
find your style
Tell us a li'l bit about your flow, and we'll match you with the right pair!
buy more, save more
Mix and match any Thinx undies — and you can save up to 20%.