Cartier Santos Classic CT0554O is a semi-rimless rectangular optical frame that pairs lightweight titanium construction with signature Santos detailing for refined everyday wear. Key attributes: Yellow | Gold | Titanium | Lightweight construction | Flexible beta-titanium temples | Durable metal finish | Adjustable nose pads | Acetate temple tips | Compatible with prescription lenses | Rectangular shape | Semi-rimless/half-rim frame | Santos screw temple detailing | Lasered logo on temple | Dimensions & fit: Lens width: 56 mm | Lens height: 37 mm | Bridge width: 18 mm | Temple length: 145 mm | Medium frame size | Composition & care: Titanium | Beta-titanium (temples) | Acetate (temple tips) | Wipe lenses and frame with a soft microfibre cloth. Store in the supplied protective case. Avoid exposure to harsh chemicals and prolonged moisture.