- Enhanced comfort control with PIANO Noise Reduction Tuning combines frequency cancelling shoulder grooves and block chamfers with ultra smooth belts - Latest generation of advanced rubber compound - Sharp lateral groove angles - Provides an exceptionally quiet ride - Maintains tread block flexibility in cold temperatures to help grip on snow and ice - Bite into snow to handle turns with confidence in winter conditions - 30,000 Mile/50,000 Kilometer Limited Treadwear Warranty (V Rated) - 45,000 Mile/75,000 Kilometer Limited Treadwear Warranty (W Rated) - 55,000 Mile/90,000 Kilometer Limited Treadwear Warranty (H/V Rated) - ZP (Zero Pressure) tires - the maximum mileage warranty for ZP tires is 30,000 miles/50,000 kilometers