Retrosuperfuture Numero 142 Optical Frame is an Italian-designed acetate optical frame finished in rich Havana. It mounts clear display lenses (base 4); prescription lenses are not included. Key attributes: Brown | Havana | Acetate | Mounts clear display lenses (base 4) | Prescription lenses not included | Havana acetate frame | High-grade Italian acetate | Dimensions & fit: Lens width: 52 mm | Frame side: 145 mm | Regular fit (Size R) | Composition & care: Acetate