The Oban Kiyoshi Purple Tour Reserve Hybrid was designed using Oban’s revolutionary Emersion Wrapped Frequency (EWF) Technology combines high modulus and ultra-thin carbon fiber sheets using a proprietary new design process. This results in multi-directional shaft strength enabling significantly improved torque control, bend points, and stability with less ovalization. You can purchase the Oban Kiyoshi Purple Hybrid in the following models: Stiff, X-Stiff.