Keep it cool and casual in Ray-Ban RX5277 eyeglasses. Slim frames with rectangular lenses let those with smaller faces rock a style that's sure to flatter round and oval faces. Made from acetate, these Ray-Ban prescription eyeglasses feature lightweight, eco friendly frames that are always professional and sharp. Classic hinges and curved, rubberized temple tips offer a comfortable fit that won't slip, no matter what the day throws at you.