Ray-Ban RB4258 sunglasses are the new square shape that is taking the world by storm. The classic b-15 dark brown lens color paired with the light havana frame gives these shades a vintage look, while the key bridge and square lenses keep them modern. These unisex shades are perfect for anyone looking for a square style that is easy to wear and comfortable all day long. PRODUCT INFORMATION STYLE RB4258 MODEL CODE RB4258 710/73 50-20 MADE IN Italy FRAME DETAILS COLOR Tortoise MATERIAL Injected SQUARE Square LENS DETAILS COLOR B-15 Brown MATERIAL Polycarbonate TECHNOLOGY Brown LENS PROTECTION INDEX 3N