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You're about to enter the THINX Periodical, a blog with *adult-ish* content. Do you want to proceed?

Cotton Bikini

$32

Cotton Bikini

Medium Days. Holds up to 1Β½ regular tampons' worth.

A simpler, stripped-down version of our fave period-proof undies, in a fresh new style. Let your V breathe easy.

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πŸ” tap to zoom πŸ”Ž

Medium Days. Holds up to 1Β½ regular tampons' worth.

$32
what’s my size?

Send me an email when is back in stock.

Pre-order! Your entire order will ship February 15th with Cotton Bikini /

Buy a Cycle Set and save

Your hip measurement is the most important size to consider when trying to find the perfect fit.

πŸ‘‡ select a sizecmin

xxs - hip 33-34"

size XXS


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size XXS if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

xs - hip 35-36"

size XS


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size XS if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

s - hip 37-38"

size S


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size S if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

m - hip 39-40"

size M


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size M if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

l - hip 41-42"

size L


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size L if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

xl - hip 43-44Β½"

size XL


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size XL if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

xxl - hip 45Β½-47”

size XXL


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size XXL if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.

3xl - hip 48-49½”

size 3XL


waist , measured at your natural waist (aka just under your belly button)


hip , measured right around the largest part of your booty πŸ‘


We recommend size 3XL if you wear jean sizes (US). πŸ‘–πŸ‘Œ


*Because THINX uses special technology to keep you leak free, our sizes fit a bit more snug than your average run-of-the-mill undies.


A simpler, stripped-down version of our fave period-proof undies, in a fresh new style. Let your V breathe easy.


Body: 95% organic cotton, 5% elastane
Gusset: 95% cotton, 5% elastane; middle breathable PUL


To take care of your THINX, you rinse first , pop β€˜em in a mesh laundry bag (this keeps your delicates, ya know, delicate), then cold wash and hang dry . Don’t use bleach or fabric softener! And yes, the rest of your clothes will be fiiine.


Buy 3+ pairs of THINX and/or THINX (BTWN) and save 10%
Buy 5+ pairs of THINX and/or THINX (BTWN) and and save 15%
Buy 7+ pairs of THINX and/or THINX (BTWN) and save 20%

Try THINX for 60 days, if it doesn't help you period better,
we'll give you a refund. No questions asked!

Fabric

Body: 95% organic cotton, 5% elastane
Gusset: 95% cotton, 5% elastane; middle breathable PUL

Care Instructions

To take care of your THINX, you rinse first , pop β€˜em in a mesh laundry bag (this keeps your delicates, ya know, delicate), then cold wash and hang dry . Don’t use bleach or fabric softener! And yes, the rest of your clothes will be fiiine.

Check out what some other real menstruating humans have to say about THINX:

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