Classic, cute, and super absorbent, our Bikini style underwear keeps you leak-free and confident.
With a high leg opening, some of our highest leak coverage and a mid-rise fit, our Bikini is made for breathable, waterproof protection. Created with our multi-layer Leak-Loc™ system, this undie draws moisture away from the body, keeping you dry all day.
The Bikini offers total front-to-back leak protection. Our revolutionary leakproof core spans from the front waistband to the back waistband for complete leakproof coverage.
moderate bladder leaks
replace a pad
replace or back up a tampon or cup
Outer: 75% Nylon 25% Spandex
Lining: 100% Cotton
Lining: 100% Polyester
Lining: 69% Cotton 25% Polyester 6% Acrylate
See all FAQs
The Bikini does run large. This is why we recommend that customers order one size down from their normal undie size.
Yes! Our moisture wicking lining draws liquid into the ultra-absorbent core. Extra long Leak-Loc™ protection ensures that no leaks escape, even while you snooze.
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! Give yourself an upgrade from mesh hospital underwear after baby. The Bikini can hold 8 teaspoons, or 4 tampons worth, of liquid without added bulk.
Proof’s patented Leak-Loc™ technology protects against all of life’s leaks, both big and small. Our undies hold up to 10 teaspoons (that’s 5 full tampons worth!) of liquid. We craft our pairs with rigorously-tested materials, to ensure the highest quality care *down there*.