- Central rib and directional; pattern design help stabilize straight driving performance and maneuverability on snowy ground. - Wide and zigzag lateral grooves plus big void ratio Wide and zigzag lateral grooves plus big void ratio on snowy road. - Circumferential and random-allocated spike holes design on tread pattern increase traction on harsh icy road. - 3D sipes design on tire shoulders enhances block stiffness, maneuverability and cornering performance on icy surface. - 5 year warranty