Designed for use on sedans, minivans and crossovers, the Thunderer Mach II R301 is an all-season touring tire. The Mach 1 R301 features a 5-rib tread pattern with a combination of angled and circumferential grooves to channel water away, a solid center rib for stability and steering response, a jointless spiral wrap nylon layer, and is protected by a 60,000 mile limited manufacturer tread life warranty. Features & Benefits Designed for use on sedans, crossovers, and minivans Backed by a 60,000 mile limited manufacturer tread life warranty Jointless nylon cap overlay increases strength and durability Solid center rib boosts straight-line stability Circumferential grooves resist hydroplaning by forcing water out of the tread