a next level fit for better period protection
all Thinx styles are now available in sizes X-4X.
true plus size
Introducing our new & improved sizes! Based on your feedback, we’ve redesigned sizes X-4X with true plus-size measurements throughout the waist, hip, and leg. This is a waaay comfier fit; just what you need when you’re on your period. ☁️
wear-tested
We’ve rigorously tested every size for fit *and* function with actual people on their periods, so you can trust Thinx as your go-to protection. 💪
better fit = better protection
Because our period underwear hugs your body, there’s nowhere for leaks to go! Every pair moves with you, keeping you covered.
no pads or tampons
Our underwear can completely replace single-use disposables — a sustainable switch that’s better for you & better for the planet.
stay protected
Thinx are constructed to absorb flow, control odor, prevent leaks, and hug your body — so your period goes in and nothing comes out. With a better fit, you’ll have better protection. ☂️
