Miu Miu MU B12S Sunglasses combine a bold squared acetate frame with brown bio‑polyamide lenses for structured, everyday sun protection. They suit faces needing added definition and can be fitted with prescription lenses. Key attributes: Brown | Havana | Acetate | Category 2 sun protection | Bio polyamide lenses | Normal lens technology | Prescription lens compatible | Replacement temples available | Includes protective case | Squared frame | Tortoiseshell (turtle) pattern | Dimensions & fit: Lens width: 56 mm | Bridge: 17 mm | Temple length: 140 mm | Size M (56-17-140 mm) | Recommended for round and oval faces | Composition & care: Frame: Acetate | Lenses: Bio polyamide