Off-Road Maximum Traction light truck tires are for drivers who want a combination of adequate on-road aptitude and aggressive off-road ability from tires offering the best traction when trail and terrain conditions are at their worst. Off-Road Maximum Traction light truck tires, which are often called mud tires, are branded with the M+S symbol and are used as Original Equipment (O.E.) on selected light- and medium-duty 4WD pickup and sport utility vehicles.O.E. Off-Road Maximum Traction light truck tires are typically purchased as direct replacements for worn-out pairs/sets of the vehicle’s original tires. They can also be used for other vehicle applications in complete sets of four or axle pairs if available in an appropriate size, load range and speed rating to match the existing O.E. tires performance category and specifications.