Cooper Starfire SF-510 All-Season Radial Tire - 31/10.50R15 109R Tire only Modern All-Terrain Design - The Five-Rib Tread Design Creates A Pattern Of Gripping Edges That Allows The Tire To Perform Equally Well On The Road And Off. M+S Rating - Provides Excellent Year-Round, All-Season Performance. Wide Footprint / Dual Tread Arc - A Wider Tread Footprint Along With A Dual Radius Tread Arc, Gives This Tire Uniform Pressure Distribution Across The Contact Patch For Even Wear And Consistent Grip. Modern Sidewall Styling - Available In Outline White Letter And Outline Black Letter Styling In Specific Sizes.