Learn more about Costa Sunglasses Experience a world of amazing color, contrast and clarity with a pair of Costa BlackFin Polarized Sunglasses. Exclusive, polarized Costa 580 and 400G glass lenses eliminate much of the glare and yellow light that negatively affects vision. The 580 advantage is available in lightweight, impact-resistant polycarbonate (580P) and optically perfect glass (580G). 580P lenses pass ANSI Z80.3 and ANSI Z87.1 high-impact/velocity testing. On top of ANSI-approved safety, 580P lenses also feature Costas C-Wall coating for effortless cleaning and durability. C-Wall is chemically fused into the lenses during production. This process ensures that the protective molecules cover the lens surface perfectly to repel water and keep fingerprints, oils and other contaminants from adhering to the lens. Plus, the C-Wall coating gives the 580P lenses scratch-resistant durability not found in other polycarbonate and glass lenses. Lenses are impregnated with 100% UV protection to block the suns harmful rays, and it wont wear off over time. 400G glass lenses feature encapsulated, scratchproof mirrors. Heavy-duty TR-90 frames with Hydrolite nose pads deliver nonslip comfort. Manufacturers exclusive lifetime warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.
