The TerraMax A/T 4S from Sailun is an on- and off-road tire designed for year-round use on light trucks, SUVs, vans and pickups. Featuring an aggressive, open shoulder design, the tire offers excellent stability and traction in all weather. The shoulder edge has a trapezoidal claw design for improved snow and mud traction, heat dissipation and enhanced durability. Zig zag grooves, jagged edge tread blocks and a continuous center block provide exceptional grip and handling on ice, snow and mud. The A/T 4S comes with a 3 Peak Mountain Snow Flake Certification (3PMSF) for severe snow performance. 50,000 mile treadlife warranty from manufacturer.