Made for rugged SUVs and light pickup trucks, the Cooper Discoverer AT3 4S All-Season 275/55R20XL 117T Tire is designed for all-season driving on the highway while offering exceptional all-terrain performance during weekend work or play on dirt or gravel roads. The Cooper Discoverer AT3 4S with Adaptive-Traction Technology grips the surface, rocky or smooth, under the most severe weather, rain or shine. It sets the standard in all-weather, all-terrain performance. It sports Adaptive-Traction Technology, an innovative silica-based tread compound with a design that adapts to a wide range of environments and temperatures for improved all-weather capabilities. The Adaptive-Traction Technology has many features, including Snow Groove Technology, which traps the snow in the tread for superior traction, Secure-Grip design, for greater off-road capability and traction, Aqua Vac Channels, which improve resistance to hydroplaning, and Micro-Gauge Zigzag Sipes, which offer increased stability and control. The Cooper Discoverer AT3 4S also offers a Best-In-Class All-Terrain warranty of 65,000 miles and 45-day test drive. Worthy of your ride!