Boss HG 1371 Rectangle Frame pairs a classic rectangular silhouette with a lightweight plastic build for reliable everyday wear. Designed for prescription or plain lenses, it balances durability and understated style. Key attributes: Black | Plastic | Lightweight | Durable | Compatible with prescription lenses | Includes branded case and cleaning cloth | Rectangular shape | Full rim | Matte finish | Black temple with red detail | Dimensions & fit: Lens width: 56 mm | Bridge: 14 mm | Lens height: 40 mm | Temple length: 145 mm | Size M (56) | Composition & care: Plastic | Acetate | Clean lenses with the included cleaning cloth and lens cleaner for tougher smudges. Avoid abrasive materials and exposure to extreme heat.