5.0 / 5

The Bikini

Regular price $39 Save $-39
/
Perfect for everything
HSA/FSA Approved

Holds
4  Tampons or 8 Tsps
black
black
black
black
sand
sand
black
black
black
black
sand
sand
5.0 / 5

The Bikini

Regular price $39 Save $-39
/
Perfect for everything
HSA/FSA Approved

AbsorbencyHolds 4 Regular Tampons or 8 Teaspoons
Runs Small True to Size Runs Large

QTY

Only 44 items in stock!

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

sweat

heavy period leaks

replace a pad

replace or back up a tampon or cup

odor reduction

Great for

moderate bladder leaks

sweat

heavy period leaks

replace a pad

replace or back up a tampon or cup

odor reduction

FAQs

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.

See Our Proof

Leaks don’t take days off, and neither do we. Proof’s patented Leak-Loc™ technology protects against all of life’s leaks, both big and small, by holding up to 10 teaspoons (that’s 5 full tampons worth!) of liquid. Plus, our manufacturing is OEKO-TEX certified, our undies are Prop 65 compliant, and successfully tested for harmful substances.

Learn More

This is really (really) leakproof underwear

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