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Later, leaks. Hello, comfort and protection.

  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
  • illustration of a thinx hi-waist period panty
  • 1 pair donated with every purchase
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inclusive sizing
We make comfortable underwear in sizes for every body.
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free trial
Try our undies for 45 days. If you don’t love ‘em, we’ll give you your money back.
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our period underwear

leakproof up to 12 hours

Designed with our unique LeakSafe™ barrier, the newest Thinx and Thinx Teens styles offer our latest and greatest in leakproof protection.

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LeakSafe™
Our LeakSafe™ barrier helps guard against leaks
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dry feel
Moisture-wicking fabric helps keep you dry
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odor controlling
Odor control technology helps minimize odors
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absorbent
Absorbent layers hold up to 12 reg. tampons worth
  • Fast Company’s Most Innovative Companies of 2017 light pink half circle
  • Entrepreneur Magazine’s 100 Most Brilliant Companies of 2016 pink large circle
  • TIME Magazine’s Top 25 Inventions of 2015 light pink flower outline
  • ABC’s Good Morning America in 2019 pink large circle
  • Fast Company’s Most Innovative Companies of 2017 light pink half circle
  • Entrepreneur Magazine’s 100 Most Brilliant Companies of 2016 pink large circle
  • TIME Magazine’s Top 25 Inventions of 2015 light pink flower outline
  • ABC’s Good Morning America in 2019 pink large circle
  • Fast Company’s Most Innovative Companies of 2017 light pink half circle
  • Entrepreneur Magazine’s 100 Most Brilliant Companies of 2016 pink large circle
  • TIME Magazine’s Top 25 Inventions of 2015 light pink flower outline
  • ABC’s Good Morning America in 2019 pink large circle
  • Fast Company’s Most Innovative Companies of 2017 light pink half circle
  • Entrepreneur Magazine’s 100 Most Brilliant Companies of 2016 pink large circle
  • TIME Magazine’s Top 25 Inventions of 2015 light pink flower outline
  • ABC’s Good Morning America in 2019 pink large circle
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empowering all with body literacy 

Did you know half of adults have felt too ashamed or embarrassed to seek help when they have questions about their bodies? With better education around periods and bladder leaks, we can fight societal stigmas and help everyone become body literate.

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