Wilson Staff D9 Golf Driver The Wilson Staff D9 Golf Driver is manufactured to deliver high ball speeds, maximum distance, and incredible forgiveness. This Golf Driver also offers incredible consistency and features a huge sweet spot that extends out towards the toe and the heel, so even on mishit shots, you can get the best performance. PEAK KINETIC RESPONSE FACE TECHNOLOGY Wilson has divided the face into fractal zones, with each tune being tuned to crete explosive distance. The Peak Kinetic Response Face Technology optimises ball speed and forgiveness. THREE-LAYER (K)COMPOSITE CROWN This is made from Carbon Fibre and Kevlar, which neutralises vibration, creating a very solid feel and sound. These materials are also extremely lightweight, meaning there is a lower CG, creating explosive distance and faster clubhead speeds.