The Maui Jim Kanaha sunglasses are sport shades. With their rimless, polarized, polycarbonate lenses, 8-base coverage and bendable nylon frame, they will take whatever you throw at them. The frame is equipped with rubber nose pads and Rubberon temples for extra grip.Appeal: Unisex. Frame Shape: Rectangle, Wrap. Face Shape: Round, Oval. Lens Material: Polarized polycarbonate. Spring Hinge: No.