The Mastercraft Glacier Trex is a winter tire designed for cars, minivans and CUVs. With incredible snow performance provided by the Winter Compound Technology, the Glacier Trex compounds stay flexible and below 45 degree Fahrenheit allowing the tire to be durable for many winter seasons. The Glacier Trex features an aggressive directional tread design that grabs snow for improved acceleration and braking, while evacuating water to resist hydroplaning. The Mastercraft Glacier Trex is M+S and has the mountatin snowflakerating for severe weather.