Nike Optical Frame combines a rectangular acetate design with a denim-blue finish, built for everyday prescription wear and comfortable all-day use. Key attributes: Blue Denim | Acetate | Lightweight | Durable construction | Compatible with prescription lenses | Includes original case and microfiber cloth | Rectangular frame | Recommended for round, oval and heart face shapes | Dimensions & fit: Lens width: 57 mm; also available in 59 mm | Bridge width: 18 mm; also available in 19 mm | Temple length: 150 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth; store in the original case when not in use.