Mud terrain tires have to do more than just look tough - they have to get you into the rough places and get you back out again. Mud terrain tires typically have an aggressive tread and deep lugs with self-cleaning bars to eject mud and stones. They also usually feature a rubber compound that is suitable for off-road or on a dry highway, and extra layers of steel belts and nylon reinforcement in the tread and sidewall to resist punctures and cuts from rocks and other obstacles. In other words, mud terrain tires are just tough tires that mean business once you get off-road!