The Michelin X Line Energy Z+ 295/75R22.5 is a high-performance, fuel-efficient steer tire for long-haul commercial trucks, featuring a dual-compound tread, Regenion evolving grooves for lasting traction, and advanced casing tech (Infini-Coil, PowerCoil) for extreme durability and up to four retreads, delivering significant fuel savings (12% less rolling resistance than its predecessor) and extended mileage for a lower total cost of ownership. Tread Depth - 18/32"