Second generation of Michelin's best drive axle radial for deep snow and mud traction. - Rugged directional tread design helps boost snow and ice traction and helps reduce heel/toe wear typically associated with open shoulder designs. - Michelin Durable Technology's Matrixâ„¢ 3-Dimensional siping for enhanced stability and exceptional traction in both dry and slippery conditions. - Extra robust four-belt crown package with extra wide working plies help deliver exceptional casing life. - Full-width elastic protector ply and extra thick rubber under the tread help protect the working plies from shocks, bruises and impacts. - SipeSaver teardrop at the base of the sipes relieves stresses and helps prevent tearing.