Unseen but powerful, our thong underwear works for your period and leaks…Hooray!
Our breathable, buttery soft microfiber in a low-rise silhouette lets you eliminate panty lines while having a backup for your leaks. Minimal coverage that still includes our multi-layer Leak-Loc™ system.
The Thong features an invisible leakproof core in the gusset. You’ll be comfortable and protected with our soft and slim multi-layer core.
replace a panty liner
back up a tampon
Outer: 75% Nylon 25% Spandex
Lining: 100% Polyester
Lining: 69% Cotton 25% Polyester 6% Acrylate
See all FAQs
You got it, mama. The Thong is a pregnancy must-have: breathable fabric, protection from unexpected leaks (hellooooo, baby on your bladder!), and a low-rise silhouette to accommodate that growing bump.
Yes! The Thong offers light protection, so it's perfect for sweat, discharge, and other little leaks. The Thong is made of seamless, breathable fabric that will pair perfectly with your favorite leggings.
Yes! All Proof undies offer strong protection, but should be washed gently. Machine wash on gentle using cold water and gentle detergent, and hang or lay flat to dry.
Yes – our antimicrobial drop-stop lining pulls in moisture and controls odor-causing bacteria. Wear these with confidence!