UTQG: 0, SPEED RATING: H, CLASS: SL, With the Dunlop SP Winter Sport 3D tire, you can confidently drive your sports car or performance vehicle on snowy or icy roads. This winter performance tire uses an Active Traction Sipe System with central block pulling sipes to provide traction and braking in the snow. For even more stability on snow and ice, the sipes in the shoulder area use a special 3D design. And like many other quality Dunlop tires, the SP Winter Sport 3D employs Multi-Radius Tread Technology and Jointless Band Technology to provide a smooth ride while cruising on dry pavement, even at highway speeds. So for a performance tire that wont get bogged down in snow, choose the Dunlop SP Winter Sport 3D.