The Ray-Ban RB4421D 6677/87 is a sleek, contemporary pair of sunglasses designed for everyday wear from Bio- based collection. It features a bold rectangular silhouette with a glossy black frame and dark grey flat lenses, giving it a clean, minimalist look that complements both casual and smart outfits. The lightweight propionate frame provides durability and comfort, while the low-bridge (Asian Fit) design offers a secure fit for a wider range of face shapes. Equipped with Category 3 dark grey lenses, the sunglasses provide excellent protection in bright sunlight, blocking 100% of harmful UVA and UVB rays. The unisex design combines classic Ray-Ban styling with modern lines, making it suitable for both men and women seeking versatile, stylish eyewear.