Firestone Precision Touring Radial Tire - 235/55R17 98H Wide shoulders flanking interlocking ribs to provide dry road response and handling. Four circumferential grooves help guide water through the tire's footprint for wet traction while multiple notches and sipes provide the biting edges to enhance traction in light snow The tire's structure includes twin, high tensile steel belts on top of a polyester carcass to deliver strength, ride quality and handling.