The Continental ProContact RX 235/40r18 is a high-performance all-season tire designed to provide excellent traction and handling on dry and wet roads. It features a tread pattern with large tread blocks and a silica-infused compound for improved grip and traction. The tire also has an asymmetric tread pattern that helps to reduce road noise and improve steering response. The ProContact RX also offers a comfortable ride and long tread life.