- Three tough layers of polyester cord fabric and high strength steel belts - Two-sidewall separate shoulder design: Rough and Tough. The ?R? (Rough) shape is more dynamic and aggressive. The ?T? (Tough) shape is a more traditional sidewall - Angled lateral and longitudinal groove structure - Varying shapes of the shoulder blocks - Available in F-load rated sizes - Guard against rock and debris punctures - Hybrid, aggressive sidewall design prevents damage and enhances grip when driving in mud or rocky conditions - Promotes better drainage for improved braking and handling on wet, soggy ground - Optimized for improved handling and control on unpaved roads - Developed to meet market demand for higher load carrying capacity sizes - 6 Month Warranty From the Original Purchase Date