Cartier Signature C Half-Rim Frame pairs a classic round semi-rim silhouette with a lightweight titanium construction for refined everyday wear and optical use. Key attributes: Black | Titanium | Lightweight construction | Durable titanium frame | Adjustable nose pads | Semi-rimmed frame | Round semi-rimmed silhouette | C décor bridge | Godron hinge with decorative finishes | Engraved logo on temples | Double C signature on nose pads | Dimensions & fit: Lens/Bridge/Temple (mm): 50-21-145 | Composition & care: Titanium | Wipe lenses with a microfiber cloth; store in protective case; avoid harsh chemicals.