Boss HG 1374/S KB7(QT) sunglasses combine acetate and metal construction with green UV Category 3 lenses for reliable sun protection and everyday wear. Key attributes: Gray | Acetate, Metal | UV protection (Category 3) | Lightweight | Spring hinges | Branded protective case included | Transparent gray frame | Green lenses | Dimensions & fit: Size: 57 (L) | Bridge: 16 mm | Lens: 57 x 41 mm | Temple length: 145 mm | Weight: 24 g | Composition & care: Acetate | Metal | Wipe lenses with a microfiber cloth and mild lens cleaner. Store in the protective case when not in use. Avoid exposure to heat and harsh chemicals.