All-Season Passenger Car Touring tire.* 3D zig-zag sipes* Optimized contact patch* Cross-designed chamfer* "Bending" sipe technology* Shoulder blocks* M+S Rated* 90,000-Mile Treadwear Mileage Warranty for T-Rated* 75,000-Mile Treadwear Mileage Warrant for H & V-Rated* 55,000-Mile Treadwear Mileage Warrant for W-Rated* 2-Year, 24/7 Tire Roadside Assistance* Free 45-Day Test Drive* Free Defect Replacement for the Life of Usable Tread* Boost block stability and reduce irregular wear, while creating more biting edges and improving winter performance* Distributes road surface pressure evenly to provide extended tire life* Boosts traction and grip for better winter and wet-surface performance* Creates rigidity in center block to maintain stability, while providing crisp highway response and driving characteristics* Outside shoulder enhanced with integral lateral grooves to provide better wet handling and reduce road noise