Barton Perreira Norton Sunglasses pair the brand’s handcrafted Japanese construction with a classic round silhouette. The Norton is designed for everyday wear, featuring a keyhole bridge and premium acetate frame for refined, comfortable use. Key attributes: Brown | Havana brown | Acetate | CR-39 lenses | Anti-reflective coating | Includes case and cleaning cloth | Compatible with prescription lenses | Round frame | Keyhole bridge | Full-rim silhouette | Dimensions & fit: Eye size: 50 mm | Bridge: 21 mm | Temple length: 153 mm | Medium fit (50 mm eye, 21 mm bridge) | Composition & care: Acetate | CR-39 lens | Wipe lenses with the included cleaning cloth and store in the provided case when not in use.