Frame color: Silver; Lens color: Gradient Grey Mirror Silver; Frame material: Metal. Sunglasses Prada Linea Rossa, PS A50s model, they combine modernity and originality with their metal geometric frame. The design is accentuated by the silver color of the frame. Recommended for round and oval faces, since they add definition and structure. Ideal for men. Prada Linea Rossa PSA50S Silver - Large Silver Full-Rim for Men. These Aviator shaped sunglasses are great for Heart/Oval shaped faces.