Just when you thought HZRDUS Black couldnt get any better, it did. One of the most successful low launch/spin shaft models of the past decade continues to innovate with the addition of our new 4D Optimized Carbon weave. Strategically utilized in the midsection, the part of the golf shaft that undergoes the most stress, and angled for improved torsional resistance, HZRDUS Gen 5 Black powered by 4D Optimized Carbon is designed to enhance performance and maximize energy transfer like never before.