With a round shape inspired by the Phantos, Ray-Bans RB4305 Sunglasses add an air of sophistication to any look. These lifestyle sunglasses feature round lenses made from polycarbonate for lightweight performance and 100% UV protection. The solid-colored classic lenses in these Ray-Ban sunglasses absorb 85% of visible light, enhance contrast and provide a more natural vision. Durable yet lightweight propionate frames on these Ray-Ban unisex sunglasses offer a striking, smart update to old-school expectation. Standard fit. Nonpolarized. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Non Polarized.