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

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.

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

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

Shop all Thinx reusable period panties that absorb your flow and protect from leaks, while keeping you feeling dry and fresh all day.

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.

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 …

Thinx Teens period undies absorb up to 3 regular pads’ or 12 regular tampons’ worth of flow. Plus, they help control odor and wick moisture — so teens can feel dry and comfy while they go to school, play …

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Thinx Period Shorts offer full coverage and ultimate comfort. Perfect for all flow days and overnight protection.