Ray-Ban Justin Sunglasses combine a classic square silhouette with a lightweight nylon frame and shaded polycarbonate lenses for everyday sun protection and style. Key attributes: Black | Nero | Nylon | Polycarbonate lenses | Shaded lenses | Gradient lens option | UV protection | Lightweight frame | Includes original case | Multiple size options | Square frame | Rubberized matte finish | Signature Ray-Ban logo on temples | Dimensions & fit: Lens width: 51 mm | 54 mm | Bridge: 16 mm | Temple: 145 mm | Height: 42 mm | 44 mm | Composition & care: Nylon frame | Polycarbonate lenses | Clean lenses with a microfiber cloth; avoid abrasive cleaners and solvents. Store in the supplied case when not in use.