GRANDTREK ST30 is an Original equipment, all-season truck and SUV tire. GRANDTREK ST30 Features a Asymmetric tread pattern helps provide a balance of wet and dry performance. Circumferential tread grooves help pump water away from the footprint for excellent wet traction. M&S rated tire with an all-season tread design that helps deliver year-round traction and enhanced wet handling. Multi-Pitch Tread Design Technologyô helps reduce noise for a quiet ride. Jointless Band Technologyô helps maintain the tire's shape, enabling smooth performance at highway speeds. Black serrated sidewall and raised black letter design give it a stylish edge.