Protection: 100% UV Frame Material: Plastic The Aviator Collection by Jonathan Paul Fitovers is one of our 25 fitover sunglass collections uniquely designed to fit over your prescription glasses. Not only do these feature Crystal Nylon wrap-around fitover sunglasses frames for complete coverage, they also contain Polarvue lens technology offering 100% protection from the sun's harmful UVA/UVB rays. Fitovers Sunglasses are impact-resistant and stylized to hide your glasses, making it appear that you are wearing only sunglasses. The Aviator Collection is specially designed to fit any style of glasses that are 147x51mm or smaller and features a rounded square shape similar to the popular Oversized Aviator style design.