Michael Kors Bierzo sunglasses pair a squared injected frame with a defined silhouette. The prescription-ready design suits everyday wear and adds structure to softer face shapes. Key attributes: Violet | Injected plastic | Prescription-ready | Square frame | Full-rim silhouette | Structured temples | Dimensions & fit: Lens width: 54 mm | Bridge: 17 mm | Temple length: 140 mm | Composition & care: Injected plastic