BFGoodrich Mud Terrain KM2 All-Terrain Radial Tire - 305/70R16 118Q More transverse and linear flex zones across tread improves off-road traction Large sidewall lugs add muscle to the sidewall and improve traction in soft soil conditions The new larger and thicker sidewall lugs increases sidewall strength The new sidewall rubber compound is more resistant to cutting and tearing. The B.F. Goodrich KM2`s TriGard 3-ply construction has cords that are up to 33 percent stronger that increase sidewall strength