Carrera 370 KB7 Optical Frame from Carrera offers a squared acetate silhouette in transparent gray designed for everyday prescription wear. Its lightweight construction provides comfortable all-day use. Key attributes: Gray | Acetate | Lightweight construction | Durable frame | Compatible with prescription lenses | Includes branded case | Square frame shape | Transparent gray finish | Dimensions & fit: Lens width: 51 mm | Bridge: 20 mm | Lens height: 42 mm | Temple length: 150 mm | Frame width: 138 mm (Size L) | Size L (138 mm) | Composition & care: Acetate | Clean lenses and frame with a microfibre cloth; avoid abrasive cleaners and excessive heat.