Reusable period underwear that absorbs your flow and protects from leaks, while keeping you feeling fresh. Switch to Thinx for period underwear!

shop all Period and bladder leak underwear designed for your comfort and confidence.

Discover how Thinx period underwear works with absorbent layers, a leak-safe barrier, and moisture-wicking fabric to keep you dry and comfortable all day.

Learn about us, from our history of smashing period taboos to our innovations in period underwear technology. Read on about Thinx's mission & values today.

Thinx period underwear and bladder leak underwear are easy to care for. They’re machine washable and reusable, so you can wear them again and again.

Feb 29, 2024 · Stay informed with Thinx's blog, covering topics from period health to empowerment. Get tips, stories, and insights. Read our blog today.

Our All Day Bikini offers young teens comfortable, stylish protection for periods, perfect for all-day wear. Shop now for confident period 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 …

Discover our best-selling period underwear at Thinx. Shop the top styles loved by our customers for reliable, comfortable protection.

Get Thinx's full-coverage boyshort style underwear made with super soft, premium Modal Cotton. Shop today for leakproof technology that lasts up to 12 hours.