Kumho Road Venture AT KL78 All-Season Tire - 325/65R18 121S All-season performance for SUVs and light trucks Light off-road ability for increased versatility Circumferential zigzag grooves, along with multiple lateral grooves and interlocking sipes, provide biting edges and ensure excellent traction Full depth circumferential tread grooves evacuate water to reduce the risk of hydroplaning ESCOT technology provides uniformity that results in less flexing, cooler operating temperatures, and improved ride characteristics