Dimpled, reinforced lugs give more biting edges for exceptional grip on muddy and hard-pack surfaces 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 Not certified for use on public roads (NHS).. TIRE SWAMP FOX 22X10-9