The Razr MT has deeply sculpted center blocks maximize off-road traction while retaining a quieter ride. Our flagship mud terrain, the Razr MT was engineered with know-how gained from our involvement in off-road racing . The tire features a new off-road compound with new chemical fillers for maximum tear and chip resistance as well as tread life. The new pattern features deeply sculpted center blocks which maximize mud traction, while the RAZR MT's stone and mud ejectors improve self-cleaning performance and minimize rock retention.