The SUMITOMO HTRZ III has five-rib asymmetric tread pattern merges cornering with straight line stability. The long lateral grooves depart water from the center of the footprints and it has four straight, wide grooves that further heighten drainage for improved wet performance. It features siped tie-bars that reinforced block rigidity for control and enhance wet traction. Its 3-D wave wall improved drainage capabilities and boost center rib stability. The HTRZ III also has wide and rigid steel belts, high tension casing plies and advanced silica tread compound. This has Y-speed rating for true high-performance vehicles.