Prada PSB54S Sunglasses combine a sleek, aerodynamic silhouette with a sport-luxury technical design, ideal for urban daily wear and an active lifestyle. Key attributes: Black | Nero | Metal and injected nylon | Lightweight construction | Lens options: polarized, mirrored or gradient | Adjustable nose pads for a custom fit | Flex hinge on temples for added stability and flexibility | Sleek, aerodynamic silhouette | Refined rectangular shape | Matte and metallic finishes | Prada Linea Rossa rubber logo on temples | Dimensions & fit: Personalized fit with adjustable nose pads | Flex-hinge temples for added flexibility and stability | Composition & care: Metal front | Injected nylon temples | Lens (polarized/mirrored/gradient options)