Ray Ban RB 4137 Sunglasses

Light Adaptive: Now you see it. Now you still do. Ray-Ban Light Adaptive® lenses are built to do just that – adapt to different light conditions and adjust accordingly. Chameleon-like technology allows these lenses to turn dark when in direct sunlight and then turn clear when indoors or in low lighting, leaving you comfortable and relaxed no matter where your day takes you. Gradient Silver Mirror: Easily identified by its trademark green (also called “natural vision” lens), the G-15® has come standard in every model since Ray-Ban was founded in

The broad outline of propionate emphasizes the rounded eye shape of this style. A pair of double rivets accents the end piece and temples, along with the metal Ray-Ban® signature.

Ray-Ban lenses undergo an advanced chemical hardening process, rather than a thermal hardening process, and withstand the Drop Ball Test – a 5/8 inch steel ball dropped onto the lens from a height of 50 inches – which makes the optical glass impact resistant even at the lowest thickness they have of 1.80 mm.