Polarized Lenses Eliminate Glare and Reduce Eye Fatigue * Polarized Triacetate Lenses are Impact and Scratch Resistant, Lightweight and Durable * AcuTint Lens Coloring System Adds Color Contrast Without Distorting Natural Colors, Allowing You To See More Clearly * 100% Protection From Harmful UVA and UVB Rays * Limited Lifetime Warranty.