Lindberg Robin Optical Frame pairs ultra-light titanium construction with a rounded silhouette for versatile everyday wear. The design emphasizes minimal weight and clean lines for reliable daily use. Key attributes: Black | Titanium | Lightweight | Durable | Screwless spiral hinge | Includes original case, cleaning cloth, certificate of authenticity and guarantee | Rounded/oval silhouette | Full rim minimalist frame | Dimensions & fit: 51-20-135 mm | 49-20-145 mm | Composition & care: Titanium | Wipe lenses and frame with the included cleaning cloth; store in the original case when not in use.