Prada Optical Frame — a metal-frame optical featuring a bold, statement silhouette and gloss finish. Available in sizes 52 and 54; comes with demo lenses that should be replaced by an optician. Key attributes: Black | Metal | Demo lenses (to be replaced by an optician) | Gloss finish | Statement frame shape | Dimensions & fit: Caliber: 52 mm | Caliber: 54 mm | Bridge: 19 mm | Temple: 145 mm | Height: 37.0 mm | Height: 39.0 mm | Composition & care: Metal