Look on the brighter side of life through sunglasses dialing in everyday colors for more brightness and greater clarity. The Ray-Ban RB3543 Chromance Sunglasses advanced Chromance lenses have a six-layer anti-reflection treatment to maximize contrast and increase texture and contour detail. Polarized polycarbonate lenses cut glare off reflective surfaces. Propionate frames have a resilient metal backbone for added strength. Includes soft case. Manufacturers two-year warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.