Tour Preferred MC combines a player’s shape with a shallow muscle cavity to boost MOI, creating an unparalleled blend of beauty, feel, workability and stability. The 3 through 7 iron incorporate Speed Pocket technology to promote increased ball speed in the lower portion of the clubface for more consistent ball speed and launch conditions across the entire face. The head’s length, topline and sole-width are all slightly larger compared to the Tour Preferred MB.