Cobra Men's Fly Z+ Fairway Woods, X-Stiff, Graphite, Strong Blue, Right Hand, 4-5W Speed Channel Face: An engineered trench around the perimeter of the face thins the wall structure around the perimeter to increase Speed Front CG Zone Weighting Forged E9 Zone Face Structure removes weight from key areas around the face and hosel areas to increase the size and speed of the sweet zone for more speed on off center hits MyFly8 Technology: 8 different Loft/Trajectory Settings SmartPad Technology delivers a square face at address regardless of loft setting