Dimpled, reinforced lugs give more biting edges for exceptional grip on muddy and hard-pack surfaces, Rugged 6-ply natural rubber compound for superior puncture resistance and maximum durability, Advanced tread design goes through the most difficult terrain without bogging down, Aggressive shoulder knobs add side bite in deep ruts and protect against punctures, Computer-enhanced tread pattern for stability and traction at any speed, Reduced weight and deep tread reduces stress on drivetrain parts, 5/8" tread depth