Michael Kors Castello Glasses combine a vintage-inspired oversized silhouette with durable acetate construction. Ideal for everyday prescription wear, they pair classic square lines with refined logo detailing. Key attributes: Black | Acetate | Suitable for prescription lenses | Prescription-ready (demo lenses supplied) | Includes original Michael Kors case | Available in multiple sizes (52/54/56) | Square frame | Tortoiseshell accents | Logo hinge detail | Dimensions & fit: Lens width: 52 mm, 54 mm, 56 mm | Lens height: 43 mm, 44 mm, 46 mm | Bridge width: 17 mm | Temple/Arm length: 140 mm | Oversized fit | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens cleaner. Store in the supplied case; avoid exposure to extreme heat.