Free Shipping & Easy Returns! Explore Ray-Ban Meta RW4008 Wayfarer Prescription Sunglasses now. Ray-Ban Meta RW4008 Wayfarer is a Progressive Eligible frame for Men and Women, which is made of Injected Acetate. Acetate is the most common material used for frame manufacturing. It has endless possibilities for color, texture, and patterns. It can even be laminated to create great visual effects, and it can retain a higher luster. Acetate is lightweight, so it is often chosen for its versatility in coloring as well as for its comfort. Acetate is made out of cotton seed fibers and plasticizers. Ray-Ban Meta RW4008 Wayfarer RXSunglasses come with a cleaning cloth and protective carrying case.