A mother stands smiling in front of a wooden crib and a beige background, wearing a pink shirt and pair of Thinx period underwear in the style black Hi-Waist, holding her baby who is wearing a yellow bodysuit and wiping the baby’s mouth with a cloth

worry-free postpartum protection

One of the most normal aspects of giving birth is one that’s rarely talked about: the leaks that begin during pregnancy and can continue for years after. Our absorbent underwear is designed to give you the ease, comfort, and support you deserve for bladder leaks and postpartum periods.

A mother is laying down on a bed with pillows and blue-and-white striped sheets wearing Thinx period underwear in the style black Hiphugger, holding her child while breastfeeding

wear Thinx for the return of your period postpartum

Thinx period underwear provides you with the comfort that you need during this special time, with super absorbent styles designed to help prevent leaks when your period returns postpartum. Pro tip: they make for the perfect baby shower gift!

A mother’s torso is shown seated on a chair, wearing Thinx period underwear in the style black Hi-Waist, holding a baby out of frame whose feet are shown touching her leg

Our undies are washable and reusable, plus they look and feel like regular underwear, making them a must-have for the return of your period postpartum and beyond. Your period can often come back heavier post-birth, too, so our undies help to protect against leaks as you’re adjusting back to your flow.

Black Super Bikini Set

Thinx

Black Super Bikini Set

3 Cotton Bikinis

$43

$8 saved

Black Super Hi-Waist Set

Thinx

Black Super Hi-Waist Set

3 Cotton Hi-Waist

$43

$8 saved

Sleep Shorts

Thinx

Sleep Shorts

3 colors, Super Absorbency

$50

Hi-Waist

Thinx

Hi-Waist

3 colors, 2 absorbencies

$35

A mother is shown standing on a pink background smiling and holding her toddler while wearing a pair of Thinx for All Leaks bladder leak underwear in the style black Hi-Waist with a beige cardigan on

wear Thinx for All Leaks for bladder incontinence

It’s incredibly common to experience pregnancy or postpartum incontinence across all three trimesters and beyond. We made Thinx for All Leaks to bring you a comfortable solution: reusable, machine-washable underwear that absorbs bladder leaks.

Two models’ torsos are shown standing one in front of the other wearing Thinx for All Leaks bladder leak underwear in the styles black Hi-Waist and blush pink Hi-Waist, on a beige background

All of our products are designed with built-in drywick layer technology to keep you feeling fresh and dry. Plus, they’re easy to care for, designed to be washed and reused — so you can cut back on trips to the store and have more time back to bond with baby.

Hi-Waist Everyday Set

Thinx for All Leaks

Hi-Waist Everyday Set

3 Hi-Waist

$104

$13 saved

Hi-Waist

Thinx for All Leaks

Hi-Waist

8 colors, very light absorbency

$39

Hiphugger

Thinx for All Leaks

Hiphugger

7 colors, very light absorbency

$37

Lace Hi-Waist

Thinx for All Leaks

Lace Hi-Waist

2 colors, very light absorbency

$39

frequently asked questions

we've got you covered

Thinx

Our innovative period underwear is here to support you for the return of your period postpartum.

Thinx for All Leaks

Our absorbent incontinence underwear provides comfortable protection against bladder leaks during pregnancy, postpartum, and beyond.

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