Dick Cepek Extreme Country All-Terrain Radial Tire - LT315/70R17 121Q Proven compound with extra tread depth provides excellent traction and long life Two-Ply Next Generation High Tensile (HT) Body Ply Cord enhances sidewall strength without adding weight, rolling resistance, heat buildup or ride harshness Wide outer void and angled shoulder scallops provide ultimate off-road traction and self-cleaning ability Tighter inner void/large surface area tread elements provide greater contact area for better handling and a quieter ride The EXTREME COUNTRY is mud and snow (M+S) rated