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underwear that absorbs your period

Thinx For All Hi-Waist Rhubarb

in styles that hold up to 5 regular tampons’ worth

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Thinx For All

in styles that hold up to 5 regular tampons’ worth

shop now

vacation-ready coverage

Two new ultra-packable Sets are here for on-the-go period protection that fits into your itinerary.

shop Getaway Sets

Thinx Getaway Sets in Black and Dusk
shop Getaway Sets

get cycle-long protection

Shop 2 new Starter Sets in Hiphugger or Hi-Waist for go-to protection on heavy flow days.

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customize your Set

Save up to 20% when you mix & match 4+ styles.

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  • free, no hassle returns & exchanges

  • you purchase a pair, we’ll donate one!

  • p.s. *free* standard shipping on your first order of $99+ when you create an account

  • free, no hassle returns & exchanges

  • you purchase a pair, we’ll donate one!

  • p.s. *free* standard shipping on your first order of $99+ when you create an account

  • free, no hassle returns & exchanges

  • you purchase a pair, we’ll donate one!

  • p.s. *free* standard shipping on your first order of $99+ when you create an account

  • free, no hassle returns & exchanges

  • you purchase a pair, we’ll donate one!

  • p.s. *free* standard shipping on your first order of $99+ when you create an account

using Thinx is simple

just like regular underwear
from light to super
just wash, hang dry, and reuse
learn more

the latest

Thinx For All

Meet our new line of cotton period undies, starting at $17.

explore Thinx for All

now trending

now trending

Four people standing in a row on a coral pink background, shown from the torso down, wearing black tank tops and black Thinx period underwear in the styles Hiphugger, air Bikini, Boyshort, and Thong

Get travel-ready coverage with new Getaway Sets.

Thinx Starter Sets

Check out 2 new, heavy-flow-approved Starter Sets.

Thinx Modal Cotton Lace Brief Black and Spicy

Meet ultra-soft & romantic Modal Cotton Lace.

Thinx Sleep Shorts in Spicy

Stay warm & cozy when you shop Sleep Shorts in Spicy!

New & improved true plus sizes are here.

Overnight protection = no more period nightmares.

styles for you

Thinx - Sleep Shorts - Black - Front

Sleep Shorts

Original PriceOriginal Price

$50

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3 colors

Thinx - HS Hiphugger - Black - Front

Super Hiphugger

Original PriceOriginal Price

$35

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3 colors

Thinx - HS Hiphugger - Black - Front

Heavy Hiphugger

Original PriceOriginal Price

$35

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2 colors

Not sure which Thinx are right for you? Take our quick quiz.

Know Your Flow

Thinx - Cotton Boyshort - Black - Front

Modal Cotton Boyshort

Original PriceOriginal Price

$38

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2 colors

Thinx - Cotton Brief - Black - Front

Super Modal Cotton Brief

Original Price
Original Price

$35

Sale Price

$17.50

dropletdropletdropletdropletdroplet5 out 5 droplets

4 colors

Thinx - Heavy Hi-Waist - Black - Front

Super Hi-Waist

Original PriceOriginal Price

$35

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3 colors

Need extra protection for those heavy days?

see all

Thinx - Cotton Thong - Black - Front

Modal Cotton Thong

Original Price
Original Price

$25

Sale Price

$17.50

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1 colors

Thinx - Thong - Black - Front

Thong

Original PriceOriginal Price

$25

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2 colors

Thinx - Cheeky - Black - Front

Cheeky

Original Price
Original Price

$30

Sale Price

$21

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3 colors

For those just-in-case days when you still want to feel stylish.

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Let’s find the right pair of Thinx for your ~flow~

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absorbency

tampons

liners

pads

cups

Thinx for every flow

Thinx for every flow

giving rise to menstrual equity

With your help, the Thinx Inc. GiveRise program is advancing access to period products and supporting organizations championing reproductive healthcare, community giveback initiatives, and more. When you buy Thinx or make an in-cart donation, you’re helping fund periods near and far.

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Thinx for All

ready to get your Thinx?

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