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

Back-to-Basics Set

$68 $64

Back-to-Basics Set

Heavy days.

An easy, wear-’em-with-anything set of our best-selling Hiphugger undies. Includes 1 black and 1 beige Hiphugger — each pair holds up to 2 tampons’ worth.

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Heavy days.

$68 $64
what’s my size?

Send me an email when is back in stock.

Pre-order! Your entire order will ship February 15th with Back-to-Basics Set /

Buy a Cycle Set and save

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

👇 select a sizecmin

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 🍑


We recommend size XS if you wear jean sizes (US). 👖👌


*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 🍑


We recommend size S if you wear jean sizes (US). 👖👌


*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 🍑


We recommend size M if you wear jean sizes (US). 👖👌


*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 🍑


We recommend size L if you wear jean sizes (US). 👖👌


*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 43-44½"

size XL


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


hip , measured right around the largest part of your booty 🍑


We recommend size XL if you wear jean sizes (US). 👖👌


*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 45½-47”

size XXL


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


hip , measured right around the largest part of your booty 🍑


We recommend size XXL if you wear jean sizes (US). 👖👌


*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 🍑


We recommend size 3XL if you wear jean sizes (US). 👖👌


*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.


An easy, wear-’em-with-anything set of our best-selling Hiphugger undies. Includes 1 black and 1 beige Hiphugger — each pair holds up to 2 tampons’ worth.


Body: 89% nylon, 11% elastane
Gusset: 95% cotton, 5% elastane; middle breathable PUL


To take care of your THINX, you rinse first , pop ‘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.


THINX are made with our signature period-proof tech that absorbs your flow, controls odor, helps prevents leaks, and keeps you fresh ‘n’ dry — all without feeling bulky or wet. THINX are underwear for periods made with our signature tech that absorbs your flow, controls odor, helps prevents leaks, and keeps you fresh ‘n’ dry — all without feeling bulky or wet.


black hiphugger

A full-coverage fit with a strong, durable lace waistband. Holds up to 2 regular tampons' worth.

beige hiphugger

Our classic best-seller in a lighter beige hue. Holds up to 2 regular tampons' worth.

care instructions

To take care of your THINX, you rinse first, pop ‘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.

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