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)
Heavy flow periods
Light bladder leaks
Replace a pad or back up a tampon or menstrual cup
Runs slightly large. If you’re in between sizes, we advise sizing down.
- 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.