The Discoverer M+S is Cooper's premium studdable winter tire. It is designed to keep traction on the snowiest and iciest of roads. It fits a number of different SUVs and light trucks. It has enhanced stud retention while at the same time, delivering quality traction. A thick zig-zag pattern enhances the tire as well while maintaining wet traction. Consider the Cooper Discoverer M+S if you are looking for a snow tire this winter.