For off-road applications, Nu-Air Dirt Terrain (DT) tire has deep tread lugs that promote grip on sand, rocks, or deep mud. Nu-Air All Terrain (AT) tire, targeting mixed-purpose vehicles, has zigzag tread pattern that lends to smooth ride; exhibits reduced wear on asphalt, concrete, and other hard surfaces; and provides traction when used off road. For all tires, 3 layers of unique rubber compounds and multiple shock-absorbing relief holes are complemented by flat-proof technology.