Your favorite lenses, now available on a sleek, full-nylon model. Ray-Bans RB4312 Chromance Polarized Sunglasses let you own the room with fresh, active, sporty frames that proudly present the iconic Ray-Ban sunglasses logo on the temples. Lightweight polycarbonate Chromance lenses virtually eliminate glare while brightening color, enhancing contrast and providing unmatched clarity. Ray-Bans RB4312 Chromance Polarized Sunglasses combine sleek and timeless style for a look youll want to show off often. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.