Ray-Ban Wayfarer Change RB2140 Photochromic Frame Glass Sunglasses put a fun spin on the original Wayfarer design. These acetate Photochromic frames change color when they're exposed to the light. Glass lenses provide clearer views than other plastic options. The classic Wayfarer shape strikes a pose with these new Ray-Ban sunglasses.Manufacturer style #: RB2140. Photochromic acetate frames change color in light Glass lenses provide the clearest views Classic Wayfarer shape