take 25% off absorbent undies

Shop our Labor Day Sale. Ts & Cs apply.
  • Labor Day Sale 25% off Illustration of a price tag
  • Labor Day Sale 25% off Illustration of a price tag
  • Labor Day Sale 25% off Illustration of a price tag
  • Labor Day Sale 25% off Illustration of a price tag
Black Lace Period Underwear on Model

period

Period underwear that’s leakproof up to 12 hours, for all-day comfort and confidence.

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Model Holding Waist Band of Black Period Underwear

bladder leaks

Comfortable, discreet underwear designed to absorb bladder leaks.

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labor day sale

Take 25% off absorbent undies. Ts & Cs apply.

shop the sale
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safe materials
Designed without PFAS or any other substance in our Clean Commitment List.
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inclusive sizing
We make comfortable underwear in sizes for every body.
free standard shipping
Free Standard Shipping on US orders of $125+

our period underwear

leakproof up to 12 hours

Designed with our unique LeakSafe™ barrier, the newest Thinx and Thinx Teens styles offer our latest and greatest in leakproof protection.

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LeakSafe™
Our LeakSafe™ barrier helps guard against leaks
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dry feel
Moisture-wicking fabric helps keep you dry
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odor controlling
Odor control technology helps minimize odors
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absorbent
Absorbent layers hold up to 12 reg. tampons worth
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Comfort Stretch Hiphugger
“I have a heavy period and I was nervous that these would not hold, but these are incredible!”
Tayla B.
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all-night styles

Overnight coverage and cozy feels.

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3 pairs of black period underwear in a saver set

saver sets

Get cycle-long protection and save.

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Dusk Cheeky Period Underwear

last call

Grab select styles at a discount before they're gone.

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empowering all with body literacy 

Did you know half of adults have felt too ashamed or embarrassed to seek help when they have questions about their bodies? With better education around periods and bladder leaks, we can fight societal stigmas and help everyone become body literate.

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