IROK - Radial | Interco TireThe Interco IROK is the direct result of many years of research and development by the Offroad Tires tire gurus at Interco Tire. Interco IROKs feature scooped lugs, blade and molded siping, special side wall features, extra tough cord and cut resistant compounds, and have a distinctive, directional tread pattern that incorporates the legendary Interco patented Three Stage Lug (TSL) design. IROKs delivers traction thats as good as it can get in snow,