Mud Terrain, Maximum Traction, Aggressive Tread, Offroad Tires: Mud Tires designated by MT, which typically stands for "Maximum Traction" and often used to describe "Mud Tires" are designed to perform most specifically in the mud but also in or on other terrains that require lots of traction such as on the rocks, in deeper snow, and in loose gravel and in the softer, constantly changing ...