Saint Laurent M171/F Sunglasses combine a clean rectangular silhouette with grey lenses and reliable UV400 protection for everyday wear. The design balances classic lines with a polished havana finish for versatile styling. Key attributes: Brown | Havana | Grey | Acetate | UV400 protection | Solid grey lenses | Prescription compatible | Includes protective case | Rectangular silhouette | Full-rim frame | Shiny havana finish | Dimensions & fit: Lens width: 57 mm | Bridge: 17 mm | Temple length: 145 mm | Asian fit | Composition & care: Acetate (frame) | Nylon (lenses) | Wipe lenses with a microfiber cloth. Store in the supplied case. Do not use abrasive cleaners or solvents.