Boss HG 1346/S EX4(KU) Sunglasses pair marble-brown acetate-and-metal frames with blue lenses for refined everyday sunwear. They offer category 3 UV protection and a lightweight build for comfortable all-day use. Key attributes: Brown | Acetate, Metal | UV protection (category 3) | Lightweight (24 g) | Spring hinges | Prescription-compatible | Includes branded case | Marble brown frame | Blue lenses | Dimensions & fit: Lens width: 51 mm | Bridge: 19 mm | Weight: 24 g | Medium fit (M - 51 mm lens width) | Composition & care: Acetate | Metal | Wipe lenses with a microfiber cloth. Store in the supplied case. Avoid abrasive cleaners and excessive heat.