The Toyo Observe GSI-6 LS 255/55R18 XL is a high performance all-season tire designed for use on SUVs, light trucks and crossovers. This tire offers excellent handling and traction in both dry and wet conditions, as well as good snow and ice performance. The tire also features an asymmetric tread pattern with four circumferential grooves that help to evacuate water and reduce the risk of hydroplaning.