Callaway Men's XR Pro 16 Driver Distance from speed and aerodynamics" we worked with the aerodynamics experts at boeing to reach a completely new threshold of ball speed in a deeper face. We made this a high head speed design with low drag in a 450cc head Forgiveness for better players: this driver has the forgiveness that better players can Use to their advantage, and that's what happens when you add MOI, stretch out the crown with a bigger footprint and put in a center of gravity that's lower and deeper Even more ball speed with a faster face: we've stepped up our game with Next generation RMOTO face Technology that's lighter, thinner and more forgiving to deliver more ball speed across the face wherever you hit it. Doesn't matter