is a metal designer frame. All designer frames come with an authentic case. The frame is specially designed for males. The manufacturer for Prada Sport PS 54IS Sunglasses is Prada Sport. The bridge is Adjustable nose pads. The temple is Skull. The Prada Sport PS 54IS Sunglasses eyewear comes with at least a one year warranty, which means if there is a manufacturer defect please call or email us so we can help you return the frame to the manufacturer. The frame has 8 color(s) and 1 size(s).