period underwear that works shop now
rethink your cycle

why switch to Thinx?

Our absorbent undies are a comfier, sleeker, and more sustainable alternative to single-use products. Here’s why you should start period-ing better with Thinx.

what’s your biggest
period concern?


I’m stressing over leaks


I’m worrying about smells


I'm producing too much waste


I'm feeling uncomfortable

rethink your cycle

1. no leaks, no stains — & no stress

Whether it’s a favorite pair of jeans or a cozy set of sheets, staining something special is a familiar (and not-so-great!) feeling for many for us.

rethink your cycle

2. no smells

Our odor-controlling technology protects you from pesky smells, keeping you feeling fresh all day.

rethink your cycle

3. easy on Mother Nature

Our washable, reusable undies help you cut down on (or even eliminate!) disposable period products from your routine — a sustainable switch that’s better for the planet.

rethink your cycle

4. the comfiest period ever

Thanks to our patented absorbent design, you’ll never have to stress over leaking again. Thinx gives you the protection you need — but feels just like an everyday pair of undies.

absorbent period underwear that works

  • "The underwear worked. In fact, the underwear more than worked; the one pair lasted 10 hours!"
  • "They’re so comfy, you’ll wear them when you don’t have your period too."
  • "I’ll admit the first time I heard of underwear you could literally have your period in, my initial thought was ‘ew, no!’ But after trying Thinx, I’m converted."
  • "Skip the constant worry about leakage by wearing period-proof panties like Thinx."
  • "Named one of the best inventions of 2015, making the world better, smarter and a little more fun."
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  • Shape quote link