Retro revival meets contemporary cool with the Ray-Ban RB4421D Bio-Based sunglasses. Crafted from durable nylon and propionate, the full-rim rectangular frames offer clean lines and a sleek silhouette for added structure. The sunglasses' low bridge fit ensures an effortless wear, while the white sunglasses frame paired with classic grey lenses brings a fresh, understated edge. A modern take on vintage charm, this uniquely authentic design delivers timeless style with a bold, innovative twist.