Michael Kors BIERZO MK4140U 3005 is a square full-rim optical frame that combines a bold silhouette with a faceted MK logo on the open metal temple. Designed for everyday wear, it accepts prescription lenses and offers a polished, versatile look for multiple face shapes. Key attributes: Black | Prescription-ready | Square frame | Full rim | Faceted MK logo on open metal temple | Injected front | Dimensions & fit: Lens width: 54 mm | Bridge width: 17 mm | Temple length: 140 mm | Lens height: 43 mm | Universal fit