Get ready to soak up the Sun in style with the Ray-Ban RB4057 propionate plastic sunglasses. Ideal for use over a long period of time, these rectangular Ray-Ban sunglasses are easy to wear and offer a comfortable fit. Furthermore, these propionate plastic sunglasses block the harmful UV light from reaching your eyes. Also, the thick temples of the Ray-Ban RB4057 sunglasses help in protecting your eyes from sunlight. Moreover, you can place your sunglasses in the protective case that safeguards them from external damage. What’s more, these Ray-Ban sunglasses have Ray-Ban etched on the temples to add to the look.