Titleist TSR1 HybridTitleist TSR1 Hybrid Bring more speed and stability to your hybrid game. For moderate swing speed players, TSR1 Hybrids feature a larger profile head and an optimized, lightweight design that increases inertia without increasing swing weight. Confidence Inspiring Shape The new TSR1 hybrid head shape is slightly larger, offering more of the feel and performance of a fairway metal with the accuracy of a hybrid. The larger profile is more forgiving and