Nike 7178 Eyeglasses blend a clean square silhouette with a durable acetate frame for everyday prescription wear. Designed for versatile lens options, they suit daily use and progressive prescriptions. Key attributes: Black | Grey | Cellulose acetate | Prescription compatible | Progressive-friendly | Lightweight | Compatible with single vision, bifocal and progressive lenses | Includes case and microfiber cleaning cloth | Straight temples for secure fit | Square frame | Beveled edge | Full-rim construction | Dimensions & fit: Lens width: 54 mm | Bridge width: 19 mm | Temple length: 145 mm | Lens height: 40.7 mm | Frame size: 54-19-145 | Size classification: Large | Medium-to-large fit | Composition & care: Cellulose acetate | Clean lenses with a microfiber cloth and lens cleaning solution. Store in the included case when not in use.