275/60R20 115H Nokian Rotiiva AT Tire Stone Ejectors - Keeps main grooves clean preventing "stone drilling" and as a result helps to extend the life of the tire. Severe Service Emblem - Only four-season family of tires that carries the Severe Service Emblem exceeding new government snow condition regulations. Center Rib Stabilizer - Improves stability in all driving conditions, especially in powerfull accelerations. The stabilizer ensures that the tread pattern, which provides such good grip, doesnt flex too much. This means that driving stability remains outstanding, even on a dry surface with good grip. Respecting the Environment - Manufacturing Process uses only low aromatic, purified oils in this All-Purpose SUV & Light Truck Radial