The Dunlop Direzza ZIII is an ultimate performance summer tire designed for professional levels of traction and handling on track days while still giving you the ability to drive on the street. The similar but new tread design offers a wider center rib with less voids to increase rubber to road contact as the shape of the footprint provides better grip and improved wear. The Direzza ZIII has a two-ply polyester casing with two steel belts and two polyamide cap plies for high speed environments while the main directional tread grooves aide in the water evacuation process and increase wet grip.