6-Ply Construction: Heavy 6 ply rated nylon construction can resist punctures and abrasions.With a 6 – Ply Bias design,is thick and durable to go over rock or through trails or other terrains. ATV/UTV Tires 26×8-12,All-Terrain Mud Tires 26x8x12,6-Ply,Non-Directional Tread,Tubeless,Set of 2.