Boss 1646 Glasses blend a defined square silhouette with an acetate frame for everyday prescription wear. The model focuses on clean lines and a secure fit for practical, polished use. Key attributes: Black | Acetate | Prescription-ready | Full-rim frame | Includes protective case and cleaning cloth | Square/rectangular frame | Slim temples for a streamlined look | Dimensions & fit: Lens width: 55 mm | Bridge: 17 mm | Temple: 145 mm | Lens height: 40 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens solution; store in provided case; avoid exposure to high heat.