Ray-Ban RB2140 Black Wayfarer 50mm Unisex Classic Sunglasses - Includes Case - Flawless Condition! Guaranteed Authentic. About Ray-Ban RB2140 Wayfarer: The Ray-Ban Wayfarer is the iconic frame that ushered in a new era of cool. Without it, there probably would have never been a Mad Men. Crafted from high-grade acetate this frame continues to leave a mark just as it did in the early 1950's.