Long TreadLife, All-Season Traction, Fuel Efficiency, Handling, Quieter RideOptimized Contact Patch-maximizes road contact for long, even wear while minimizing rolling resistance. Groove-In-Groove Technology-creates tiny slits inside groove walls to help distribute stress loads to reduce uneven wear., Angled Groove Walls And Adaptive 3D Sipes-help resist hydroplaning and maintain wet and winter grip for the life of the tire., Advanced Silica Compound-delivers ultra-low rolling resistance for increased fuel efficiency., Unibloc Shoulder And Tapered Center Rib-enhance stiffness for improved handling on wet and dry roads., Six-Pitch Tread Variation-separates the tread blocks into six size and shape variations to reduce pattern noise.