Product Details The TaylorMade RocketBallz series is all about distance, the golf ball is no different! Aimed at the golfer who wants to add distance and confidence to their game, the RocketBallz RBZ golf ball combines a React core and Speedmantle inner layer for extra speed whilst a soft Iothane cover gives bite round the green. React Core Technology React core technology allows for lower driver spin with added speed to create longer golf ball flights with the driver. It also increases driver ball speed and lowers driver spin, but on mid and short irons works together with the durable, thin cast urethane cover to create increased spin without sacrificing distance off the tee. Specifications: Soft and fast REACT™ core formulation. New SPEEDMANTLE™ for insane velocity and added iron spin for all swings. Thin and soft lothane cover for great feel and added spin around the greens.