The Michelin X Multi Energy Z meets U.S. Environmental Protection Agency (EPA) SmartWay verified requirements. With a 15 percent reduction in rolling resistance, the tire delivers fuel efficiency, longevity and durability. The X Multi Energy Z tire is engineered with a dual compound tread and a new energy casing that provides low rolling resistance and long tread life. Inter-locking Matrix sipes deliver handling capabilities and casing life is extended by curb guards and a rectangular bead bundle. The X Multi Energy Z tire is available in three sizes: 11R22.5 LRG, 11R22.5 LRH and 275/80R22.5 LRH.