Not only do they deliver a classic Ray-Ban look, the RB2184 Polarized Glass Sunglasses feature polarized technology that eliminates glare, increases visual clarity, enhances contrast and dramatically reduces eye strain. The frames are made of durable yet lightweight acetate, so theyre comfortable and strong. Originally developed for military use, the G-15 lenses deliver the highest levels of clarity and natural color contrast. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.