MEDALLION WCP1 – Snow PCR Tire:The Medallion Winter WCP1 is CST’s ultimate winter passenger tire. Our winter compound combined with the specially designed 3D sipe pattern delivers optimal handling in the most extreme winter conditions. The widened V-shaped tread pattern improves water dispersion while enhancing snow traction, while the jigsaw style circumferential grooves ensure carcass stiffness and handling performance is maintained. Now you can go anywhere without worrying about the weather.