Studless Winter High Performance Passenger Car tire. Lateral Snow-pick ax shaped groove, zig-zag traction groove, 3D winter sipes and ice grip slits Two wider, straight circumferential grooves Nano-sized HD silica compound Square shaped profile, wide shoulder blocks and optimized block design Reinforced sidewall and bead section M+S Rated Carries the Three-Peak Mountain Snowflake (3PMSF) symbol Road Hazard Warranty - not applicable to Original Equipment tires 30,000 Mile Treadwear Mileage Warranty (conditions apply) Increased biting edges to provide the best snow traction, cornering and braking performance Ensures stable driving performance and prevents hydroplaning and vibration Lowers cold weather stiffness to provide better grip and improve wet and snow performance Provide excellent steering stability and maintain block stiffness to improve cornering grip. Improved dry handling performance Meets the required performance criteria for Use in Severe Snow Conditions