Experience maximum absorbency and confident protection with the Knix Ultra Leakproof Zones+® Bikini, designed with an extra‑long liner and patented 360 LeakSeal™ technology to absorb about 9 super tampons’ worth of liquid — ideal for heavy period days, overnight protection, and light bladder leaks. Made from soft, quick‑dry, buttery‑soft PerformaStretch® fabric that lies invisible under clothes, this mid‑rise bikini silhouette delivers a comfortable fit with medium hip and bum coverage and easy machine‑washable care. With extended protective coverage front and back and dependable leakproof performance built into every edge, it’s a trusted choice for everyday confidence and comfort.
Comfort-First Fit
Bikini silhouette with a mid-rise fit and medium hip and bum coverage.
Worry-Free Protection
Our most absorbent underwear features an extra-long liner that runs high in the front and up the back. Patented 360 LeakSeal™ technology provides leakproof protection at every edge.
Ultra Absorbency
Absorbs 9 super tampons worth of liquid—great for heavy flow days, overnight protection, and light bladder leaks.
No-Show Style
Made from our signature buttery-soft PerformaStretch® fabric, it appears invisible under clothing.
Easy to Wash
Machine washable, just like your regular underwear.
Fabric & Care
Your Perfect Fit
The fabric feels snug at first but relaxes after washing and wearing, resulting in a perfect fit.
Machine Washable
Wash with like colors on a cold cycle using a mild detergent. Do not bleach, dry clean, or iron. Tumble dry on low.
