The Rough Country Overlander M/T in 285/55R20 is an aggressive mud-terrain tire designed for 20-inch rims, providing a ~32.3-inch diameter suitable for lifted trucks and SUVs. These 10-ply (Load Range E) tires feature large tread blocks for mud/snow traction, with a steel-belted radial design intended for both off-road durability and reasonable on-road performance