Ray-Ban Octagonal Optics 0RX6456 2991 53

Represents the visual tone or hue of a lens, including solid colors, gradients, mirrored finishes, or polarized coatings. It helps users identify and compare lenses based on their appearance.

A unique identifier that distinguishes a product variant from its base model or other variants within the same product line. It is used to track different configurations, colors, sizes, special editions, or regional versions of a product.