MEANS TO A LENS
ALMOST ANY PAIR OF SUNGLASSES, EVEN THOSE cheapo gas-station shades, can make you instantly look cooler. Decidedly less cool: low-rent spectacles that can’t cut the glare of a day at the lake, or prevent UV rays from slowly cooking your eyeballs. To provide that crucial extra protection, Ray-Ban—makers of the iconic Wayfarers so often imitated by service-stop specs— crafts its lenses from a sandwiched stack of specialized materials. Here’s the recipe for its prescription sunglasses.