Elevate your potential in all seasons with the Michelin Pilot Sport All Season 4. The Pilot Sport All Season 4 outlasts the competition with up to 29% more tread life. The Asymmetric tread design delivers more rubber on the outside shoulder increasing lateral grip. The Extreme Silica+ compound grabs hold of slick pavement. The Pilot Sport All Season 4 is also the first all season tire chosen by Chevrolet for the Corvette. '