Michael Kors Tokyo Sunglasses combine a square injected-plastic frame with smoke gradient lenses for everyday sun protection and easy prescription conversion. Key attributes: Black | Smoke gradient | Injected plastic | Smoke gradient lenses | Polarized option | Prescription lens compatible | Square frame | Full-rim silhouette | Dimensions & fit: Lens width: 53 mm | Bridge: 17 mm | Temple length: 140 mm | Composition & care: Frame: Injected plastic | Lenses: Smoke gradient tinted lenses | Clean lenses with a soft microfiber cloth. Store in a protective case when not in use.