Continental ExtremeContact DWS06 Performance Radial Tire - 295/40R21 111Y 50,000 Mile Tread Warranty Variable density nylon overwraps for improved uniformity and ride Strategically placed and shaped siping to promote long wear and improve traction on wet or icy surfaces Serrated tie bars and shoulder scallops for improved tread element stability and off-road traction Multi-draft lug angles improve self cleaning, increase lug stability, and reduce stone retention This product is not for sale in the state of Arkansas