Michelin Pilot Sport 4S Tires are on sale plus free shipping! The high-performance Pilot Sport 4 S is Michelin's summer sports tire developed with some of the most demanding vehicle manufacturers to maximize performance potential of sports cars, powerful luxury vehicles and performance sedans. Excelling in warm, dry and wet conditions, the Pilot Sport 4 S is not intended to be serviced, or driven through snow or on ice. The tire features a low-void outer shoulder with a dry-focused hybrid tread rubber for improved dry handling, as well as center ribs and an inboard shoulder designed to increase braking performance in wet conditions.