Classic, cute, and super absorbent, our Bikini keeps you leak-free and confident.
With a high leg opening, moderate coverage and mid-rise fit, our Bikini is made with breathable, waterproof protection. Created with our multi-layer Leak-Loc™ system, this undie draws moisture away from the body, keeping you leak free.
Outer: 75% Nylon 25%
Spandex Lining: 100%
Cotton Lining: 100%
Polyester Lining: 69% Cotton 25% Polyester 6% Acrylate
moderate bladder leaks
heavy period leaks
replace a pad
replace or back up a tampon or cup
See all FAQs
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.
The Bikini is an excellent replacement for traditional period disposables, and switching to Proof helps to reduce single-use plastic waste. The Bikini holds up to 8 teaspoons (that’s 4 tampons worth!) of liquid.