Michael Kors Murren Sunglasses combine a classic square acetate frame with dark grey lenses for reliable UV protection and everyday wear. Key attributes: Black | Dark grey | Acetate | UV 400 protection | Impact-resistant polyamide lenses | Lightweight frame | Full-rim frame | Non-polarized lenses | Square shape | Shiny finish | Single bridge | Dimensions & fit: Lens width: 58 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 49 mm | Regular fit | Composition & care: Acetate (frame) | Polyamide (lenses) | Clean lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in the protective case when not in use.