Rated 4.6 out of 5
Based on 11 reviews

Leak-resistant Everyday Bikini

$25
/
Invisible protection for life's little leaks
HSA/FSA Approved
AbsorbencyHolds up to 1 Light Tampon or Panty Liner
Color
Size
Buy 3+ and save 25%
The Everyday Bikini pairs invisible protection with a classic silhouette. Super soft, stretch fabric hugs the body, while smooth bonded edges minimize panty lines. The absorbent core replaces panty liners, giving you peace of mind every day of the month. Holds up to 1 light tampon or a panty liner.
Regular Lining

The Everyday Bikini features an invisible leak-resistant lining in the gusset. Our lining is thin and breathable to help you feel comfortable and dry.

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GREAT FOR

light spotting

replace a panty liner

back up a tampon

discharge

sweat

Outer: 75% Nylon 25% Spandex

Lining: 100% Cotton

Lining: 95% Cotton 5% Spandex

Caring for your pair is easy. Machine wash cold with mild detergents on a delicate cycle, then hang or lay flat to dry.

Protection
Regular Lining

The Everyday Bikini features an invisible leak-resistant lining in the gusset. Our lining is thin and breathable to help you feel comfortable and dry.

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FAQs

The bikini undies by Proof feature a mid-rise fit, high cut leg opening, and moderate booty coverage, all in a comfortable stretch fabric that moves with your body.

The bikini features a high-leg opening and narrow sides, with a mid-rise and moderate back coverage. The brief is designed with wider sides, lower rise, and moderate back coverage.

Proof undies are designed to be better for you, and the environment! Single-use plastic period products like tampons and pads end up in landfills and oceans, where they pose a serious threat to wildlife. By switching to Proof, you help to reduce single-use plastic waste.

No you don’t! Our underwear comes in varying absorbencies, ranging from super-light to super-heavy –– holding up to 5 regular tampons or 10 teaspoons. The built-in lining increases in coverage from lightest to heaviest. You can, of course, wear a panty liner with any of our leak-proof underwear, but it is not necessary.

Our leak-proof underwear is super absorbent, moisture-wicking, and comfortable for a wide range of leaks, including periods, bladder leaks, incontinence, after sex, maternity, postpartum, and sweat.

Yes! Our underwear is both moisture wicking and odor resistant to keep you ultra dry and worry-free. Our unique interlock lining wicks away moisture to help keep you feeling dry, and antimicrobial fibers inhibit the growth of bacteria and decrease odor.

Your hip and waist measurements are the most important size when finding the perfect fit. If your measurements fall into different size categories, your hip measurement will be most accurate. Follow our size guide to match your measurements with the right size listed on the chart.

Yes, all our styles of leak-proof underwear are available through 3XL. Proof offers plus size period underwear in the following measurements:

  • XL — US size 16–18 with 44–47" hips and 34–37" waist
  • 2XL — US size 20–22 with 47–50" hips and 37–40" waist
  • 3XL — US size 24–26 with 50–54" hips and 40–44" waist

Yes, you can absolutely wear our leak-proof undies overnight. They are safer and more comfortable than tampons, pads, and cups.