Just when you thought HZRDUS Black couldna (TM)t 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. Fit & Design: Newest generation of HZRDUS Black Utilizes new 4D optimized carbon fiber weave in midsection for increased stability 4D optimized carbon Carbon fiber spread tow weave strategically placed and angled to enhance power Angled at 45 degrees for improved torsional resistance Placed in the midsection which undergoes the most stress in the golf swing