Retrosuperfuture I3F6 Z7X Optical Frame from Retrosuperfuture. A prescription-ready frame with a clean, contemporary silhouette designed for everyday wear. Key attributes: Black | Nero | Includes original Retrosuperfuture case | Demo lenses — must be replaced by an optician | Dimensions & fit: Lens width (calibro): 55mm | Temple length (asta): 142mm | Size: 55