Ray-Ban RB4421D Bio-Based sunglasses bring retro-inspired style into the now. The rectangular full-rim frames, crafted from lightweight nylon and propionate, boast clean, structured lines for a sleek look. Molded acetate temples ensure a comfortable and secure fit, while the low bridge design adds versatility. The yellow lenses with classic tint energize the design, creating a dynamic contrast against the warm brown frames. Bold yet effortless, these Ray-Ban sunglasses redefine timeless design with a fresh, modern interpretation.