Toyo Celsius CUV All-Season Radial Tire - 255/65R18 109H 60,000 mile limited tread wear warranty Mountain Snowflake qualified for severe snow conditions Inside Tread: Higher sipe density for excellent traction on ice and snow Outside Tread: Lower sipe density for traction on wet and dry roads Slush Grooves - Increases traction by evacuating slush and snow