SmartGrip Technology: Strong center rib for crisp steering response. Stable shoulder blocks for maximum grip. Silica rich summer compound and directional tread grooves ensure grip in wet. Stabliltread Technology: Larger footprint and optomized tread pattern stiffness promote even wear and provides up to 35% longer treadlife than leading competitors. Smart Monitor Technology: Replacement Tire Monitor is an indicator that is clearly visible on the tires center rib. When the tire wears to 2/32 of tread depth the indicator transfomrs to read "replace tire" alerting the driver that a change is needed.