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Thinx underwear that absorbs your periodThinx Teens period underwear for teensThinx for All by Thinx underwear for bladder leaks

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Natalie is 5'9", hip size 48.5, wearing a size 1X

Thinx Modal-Cotton-Lace-Hi-Waist Black Front
Thinx Modal-Cotton-Lace-Hi-Waist Black Side
Thinx Modal-Cotton-Lace-Hi-Waist Black Back
Thinx Lace-HiWaist-Heavy Black Gusset

Modal Cotton

Final Sale 50% off

Modal Cotton Lace Hi-Waist

Original Price

$39

Sale Price

$19.50

Thinx underwear is not made or treated with PFAS

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Natalie is 5'9", hip size 48.5, wearing a size 1X

Thinx Modal-Cotton-Lace-Hi-Waist Black Front
Thinx Modal-Cotton-Lace-Hi-Waist Black Side
Thinx Modal-Cotton-Lace-Hi-Waist Black Back
Thinx Lace-HiWaist-Heavy Black Gusset

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

A throwback-inspired, high-rise silhouette made from breathable modal cotton and embellished with lace detail.

Thinx underwear is not made or treated with PFAS.

fit

This heavy absorbency style sits above the belly button and has an extended center panel for front-to-back leak protection. Fits true to size.

Thinx_Modal-Lace-Hi-Waist_Style+Fit.jpg
Perfect for flow days that need a supportive, high-rise fit without sacrificing style.

fabric

  • body/liner: 53% SUPIMA® Cotton, 35% TENCEL™ Modal, 12% elastane
  • side panels: 91% polyamide 9% elastane
  • gusset 1 (wicking): 100% polyester
  • gusset 2 (absorbent): 96% cotton, 4% elastane
  • gusset 3 (barrier): 100% polyester, coated with 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!

Thinx Modal Cotton illustration

Modal Cotton

Our buttery-soft Modal Cotton blend of SUPIMA®️ Cotton and TENCEL™ Modal is perfect for feeling *extra* cozy on your period.

I love the look, fit and feel of these panties. Very comfortable and absorbent, these are my go-to for heavy days.
Trishia from Austin, TX, moderate 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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Mix and match any Thinx undies — and you can save up to 20%.

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FAQs

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