In TaylorMade's limitless pursuit to help golfers improve, they've discovered the new shape of driver performance. An asymmetric sole design and powerful new Inertia Generator combine to increase aerodynamics and speed at the most critical stage of the swing. The SIM Max D is engineered to help golfers avoid the right side of the course by a strategically placed heel-bias internal weight and divergent topline masking, which makes the driver look more open at address helping golfers close the face at impact. The SIM Max D has an 18% larger sweetspot than the SIM to maximize playability and forgiveness. The reshaped sole design delivers more clubhead speed and enhanced aerodynamics at the most critical stage of the swing. The Inertia Generator positions weight at the extreme rear for increased forgiveness and is strategically angled at 20 degrees to reduce drag on the downswing. Each SIM Driver head has been individually calibrated and injected to reach the threshold of the maximum legal limit of ball speed. The revolutionary face curvature reduces sidespin and delivers straighter shots on off-center strikes. The new Thru-Slot Speed Pocket technology delivers enhanced sole flexibility to create additional ball speed as well as improved forgiveness on low-face mis-hits. Standard TaylorMade warranty applies and satisfaction is guaranteed. Headcover and wrench included.