Boss HG 1156 KU0 Glasses pair Boss styling with the HG 1156 KU0 model’s blue metal frame for a clean, modern everyday look. Key attributes: Blue | Metal | Dimensions & fit: Lens width: 53 mm | Bridge: 19 mm | Temple length: 145 mm | Composition & care: Metal frame | Clean lenses with a microfiber cloth and lens cleaner. Store in a protective case when not in use. Avoid abrasive cleaners and extreme heat.