- FINELY TUNED TREAD PATTERN - Improves steering response - HIGH SILICA CONTENT - Provides confident wet performance - LATEST TREAD POLYMER TECHNOLOGY - Improves wear performance - OPTIMIZED CASING - Improves rolling resistance for better gas mileage Bridgestone, using the philosophy of continuous improvement, is constantly making our great tires even better, including improving environmental performance. The Eco-Products designation shows this tire has the following characteristics: - Improved rolling resistance, which helps increase fuel efficiency and reduce vehicle emissions. - Reduced tire weight which conserves resources. - Environmentally conscious materials, such as non-aromatic oil and recycled materials. - 55,000 mile limited warranty on V Speed Rated Sizes - 45,000 mile limited warranty on W Speed Rated Sizes.