Sporti HydroLast Technology Performance fabric that doesn't stop Ultra-Long Lasting & Chlorine Proof: Made with the strongest Polyester threads right down to the lining and seams, HydroLast is resistant to chlorine, saltwater, precipitation, and sunscreens. Stays Vibrant: Anti-fade and anti-pill technology means that you won’t lose color or texture keeping your swimsuit looking new swim after swim. Shape Retention: 4-way stretch fabric keeps the elasticity in your swimsuit alive – so it sits comfortably on your skin with the same compression fit from day one. Quick Drying: HydroLast fabric is moisture wicking allowing you to glide through the water with minimal drag and dry off quickly once you’re out. Sun Protection Fabric: UPF 50+ is the highest possible sun protection rating, keeping the skin under your swimsuit safe from the sun.