The Yokohama AVID ENVigor ZPS is an all-season tires with run flat capabilities, offering an unparalleled blend of outstanding performance, tread life, comfort and fuel efficiency. Built with ZPS (Zero Pressure System) run flat technology, this tire incorporates sidewall reinforcement with an exclusive contour and supportive bead filler to deliver exceptional durability in run flat mode. Advanced compounding resists heat, and an extra-thick resilient bead wire is arranged hexagonally to keep the bead in place. Large reinforced tread blocks and the continuous, tapered center rib improve stiffness for enhanced handling on wet and dry roads.