The Bridgestone Potenza Sport A/S tire is proof that you don't have to give up year-round traction and long tread life to get summer tire/UHP levels of performance. The Potenza Sport A/S is made with Bridgestone's PeakLife polymer, and an enhanced tread formulation for a 50,000 mile tread life. All-season traction comes from full-depth 3D sipes, circumferential grooves, and open shoulders, and the Potenza Sport A/S offers great handling and cornering thanks to reinforced shoulders and a solid center rib that boosts road manners and steering response.