Cooper Discoverer SRX All-Season Radial Tire -275/55R20 117H The Discoverer SRX blends innovative technology and advanced engineering to deliver confident all-season performance. The SRX is designed to provide a long efficiency for a wide range of CUVs and SUVs. 3-D micro-gauge dimple sipes maximize tread contact with the road surface to grip the road better Optimized 5-rib tread pattern evenly distributes the load across the tire's contact patch leading to improved treadwear, responsiveness and handling Traction grooves maximize the expulsion of water away from the tread surface effectively reducing the potential of hyrodplane and increasing grip Winter edge feature creates a higher snow grip area in the tread to provide better traction Stabiledge helps stabilize the tread elements during driving conditions enhancing steering precision