RAY-BAN ERIKA RB4171 6316/E8 Italy Mirrored Red/Black 。These are sold as frames only the lens have to be replaced. The Ray-Ban RB 4171 Erika 6316/E8 sunglasses feature a sleek black round frame with a 54mm lens width, 18mm bridge, and 145mm temples. The \"3N\" indicates non-polarized lenses with a neutral grey tint, providing true color perception and reducing glare. This model combines classic design with contemporary flair, offering both style and functionality. Ideal for everyday wear, these sunglasses are a versatile accessory for various occasions.