Ray-Ban RX6421 Optical Frame combines a modern square silhouette with a metal construction and a contrasting black-on-silver finish. Designed for everyday wear and prescription lenses, it offers an easy-to-style option for clear vision. Key attributes: Black | Silver | Metal | Durable metal construction | Adjustable nosepads | Prescription-ready | Square frame | Contrast black-on-silver finish | Slim metal temples | Dimensions & fit: 52-18-140 mm | 54-18-145 mm | 56-18-150 mm | Composition & care: Metal | Wipe lenses and frame with a soft cloth; store in protective case when not in use; avoid harsh chemicals.