Vintage Ray-Ban W1723 Asbury Chromax sunglasses from the Ray-Ban Driving Series are decidedly not your usual preppy tortoise shell design. There are several unique design features incorporated into these early Ray-Bans, most notably the striking flecks of purple that add plenty of design flair to these vintage sunglasses. This style is one of our most popular, but they're hard to find and were produced only in small quantities during their production run. The shape is also rather unique, with elongated oval lenses and extended temples. Ray-Ban Chromax Lenses employed Bausch & Lomb color contrast technology designed to enahnce key outdoor colors such as green, amber and red, making them appear brighter and easier to see while providing sharp, clear perception of details. Combining maximum function and 100% UV protection, Ray-Ban Chromax lenses are ideal for a wide variety of outdoor activties requiring accurate hand-eye coordintation such as golf, tennis, and driving. The unisex Ray-Ban W1723 Asbury frame measures approximately 5.25" temple to temple, and the brown B-15 mineral glass lenses measure approximately 1.875" x 1.375" at the widest points with right lens laser etched Ray-Ban and both lenses are laser etched BL near the hinges.