Proof

Leakproof Bikini - Heavy 🩸🩸🩸

1,700.00 ฿

2,000.00 ฿

Classic, cute, and super absorbent, the Bikini keeps you leak-free and confident.

The high-leg opening and mid-rise fit offer the comfort you need and the flattering fit you desire. Who said you can't look good and feel good while on your period?

The Bikini can replace 3-4 regular pads and hold up to 8 teaspoons of fluids. Proof’s multi-layer Leak-Loc™ core offers waterproof protection and breathability — helping to draw moisture away from the body, and keeping you dry all day or night.

Absorbency: Heavy (Holds up to 3-4 Regular Pads or 8 Teaspoons / 39 ml)

Great for:

Heavy flow periods

Light bladder leaks

Replace a pad or back up a tampon or menstrual cup

Sweat

Odor reduction

Runs slightly large. If you’re in between sizes, we advise sizing down.

Materials:
- Outer: 75% Nylon 25% Spandex
- Lining: 100% Cotton
- Lining: 100% Polyester
- Lining: 69% Cotton 25% Polyester 6% Acrylate
Certified safe for human health according to
STANDARD 100 by OEKO-TEX®️OEKO-TEX® is an independent institute in Europe and Japan that tests textiles for harm to human and environmental health. Proof’s underwear has been successfully tested for harmful substances (PFOA/PFAS, lead, phthalates, etc.) and certified according to STANDARD 100 label, and therefore is deemed harmless for human health.
Wash cold on a delicate cycle with mild detergent. Hang or lay flat to dry. Check out Period Underwear 101 for tips and tricks.

Size:

XS S M L

Color:Black

Variant

Need help?

Frequently Asked Questions

Are period underwear reusable?

Yes! They are machine-washable and reusable, so you can use them again and again. Proof’s period underwear lasts at maximum tech performance for industry standard of 40 washes or approximately 2 years if cared for properly.

Can the Leakproof Bikini replace pads or tampons?

Yes, it can replace 3-4 regular pads and can be worn for up to 12 hours.

What size should I order?

Proof’s period undies run on the big side, so we recommend sizing down for a comfortable fit. To learn more, click the sizing guide (near Size selection) to measure for your proper size.

Will the leakproof underwear smell?

Proof's leak-proof undies are equipped with moisture-wicking lining and antimicrobial fibers that inhibit the growth of bacteria and reduce odor. If you want to refresh your undies, simply add a few drops of vinegar or tea tree oil to your washing machine during the rinse cycle and complete washing as normal.