Prada PR B15S Sunglasses combine a geometric acetate frame with dark grey crystal lenses for a bold everyday sunwear option. The design balances a distinctive silhouette with practical optical protection. Key attributes: Black | Acetate | Dark grey lenses | Geometric/irregular frame | Full rim | Dimensions & fit: Lens width: 51 mm | Bridge: 21 mm | Temple length: 145 mm | Regular fit | Composition & care: Acetate frame | Crystal (mineral) lenses