Advanced sound equipment was used to create a pattern that provides a quiet and smooth highway ride. Shouler grooves are arranged in alternating width and length to clear mud and maintain traction. Lateral Z grooves are set in a zig-zag pattern to provide biting edges for traction. Reinforced block foundation adds rigidity to tread blocks to reduce flex Stone ejectors protect the bottom of groove from stone drilling Staggered shoulder lugs provide traction in off-road environments Dual sidewall designs so you can choose how your tires look