Ray-Ban Justin Sunglasses combine a classic square silhouette with polarized lenses for reliable glare reduction and everyday wear. Key attributes: Transparent blue | Grey | Nylon | Polarized lenses | Polarized lenses | Glare reduction | Square silhouette | Transparent frame | Gradient lenses | Dimensions & fit: Lens width: 55 mm | Composition & care: Nylon frame | Polycarbonate lenses | Clean lenses with a microfiber cloth and mild soap. Avoid abrasive cleaners and chemicals. Store in a protective case when not in use.