Nitto NT450 All-Season Radial Tire -P205/55R15 87V Double center rib pattern features solid circumferential tread block elements that provide stability in the straightaways Double-V tread design contains slanted grooves and lateral slits that shed water for improved wet road contact Durable tread compound reduces wear for longer tire life and improves wet and dry handling Internal construction further enhances handling and provides a smooth ride