The Ray-Ban RB4252 Medium (Size-51) Black Grey-Black is the perfect combination of classic style and modern design. Featuring a trendy black and grey colorway, these frames offer a timeless look that will never go out of style. The lenses are made of high-quality, scratch-resistant glass that offers superior protection from the sun's harmful rays. With adjustable nose pads for a comfortable fit, these sunglasses are sure to be a favorite for years to come.