Michael Kors Yellowstone Eyeglasses feature a classic rectangular acetate frame designed for everyday prescription wear. The full-rim construction and high bridge deliver a stable, polished look. Key attributes: Black | Acetate | Non-polarized lenses | Includes original case and cleaning cloth | Demo lenses (replaceable by an optician) | Rectangular shape | Full rim | Shiny finish | High bridge | Dimensions & fit: Lens width: 55 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 38 mm | High bridge fit | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens cleaner; avoid abrasive cleaners and solvents. Store in the supplied case when not in use.