Giorgio Armani AR6171T Sunglasses pair a metal titanium frame with mirrored polyamide lenses for refined everyday sun protection and a modern square silhouette. Key attributes: Black | Grey | Titanium | Mirrored lenses | Polyamide lenses | Replaceable temples available | Square frame | Semi-rimless construction | Dimensions & fit: 49 mm (lens width) | 21 mm (bridge) | 145 mm (temple) | Size M (49-21-145) | Recommended for round and oval faces | Composition & care: Titanium | Polyamide | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in a protective case when not in use.