The Ray-Ban RB4457D Bio-Based sunglasses, model 0RB4457D-67867355-RB, feature an opal beige frame and dark brown lenses, offering a chic and eco-friendly design. Crafted from high-quality bio-based materials, these sunglasses are lightweight and comfortable for all-day wear. The pillow frame shape provides a stylish and elegant look, while the solid color lenses ensure excellent UV protection. Ideal for both casual and formal occasions, these sunglasses are a versatile addition to any wardrobe.