Ray-Ban's precision-engineered lenses deliver the crisp, distortion-free clarity that has defined the brand for over 85 years. Crystal glass delivers optical clarity polycarbonate cannot replicate — exceptionally scratch resistant and precision-ground for distortion-free vision. This pair features B-15 Brown tinted lenses, chosen to complement the frame and deliver the visual contrast the wearer notices first. Every lens is finished to Ray-Ban's exacting optical standards, with anti-reflective treatment to reduce eye strain and scratch-resistant coating for everyday durability