The XT400W Extreme Trail offers a new 12-inch wide design that mixes the best traits of a mud tire and trail tire. Deeper 1.625" - 2.50" deep 2-stage lugs, wider tread spacing combined with aggressive shoulder tread overhang delivers pure mud performance. Super aggressive shoulder lugs pull through deep ruts. Advanced 10-ply carcass blends the best of flexibility and durability. Deep rim guard protects wheels lips and helps avoid pinch flats.This Kit Includes:(4) System 3 XT400W (10ply) Radial ATV/UTV Tire [37x12-24]