-QAULITY FIRST since day 1- IKON LENSES has been offering Ultra-Premium polarized replacement lenses for over 10 years. Designed, manufactured, and tested in the USA - IKON LENSES are second to none when it comes to performance and fitment for your Ray-Ban RB4263 55mm Sunglasses. Our polarized replacement lenses are made from the same injected molded polycarbonate as your original lenses, plus we incorporate the newest polarization and anti-glare features to protect your eyes and reduce eyestrain.