The Li-Ning 3D Calibar X Drive badminton uses the 3D Calibar Technology and features a high-tech geometric frame design that greatly reduces air resistance. It provides you with higher swing speeds for stronger smashes and best-suits players who rely on peak power in their gameplay. The racket has been engineered to perfection by devising TB Nano, Aerotec Beam System, MPCF Reinforcing technologies. This is a DRIVE series racket that features a stiffer shaft and highly elastic head design for rapid repulsion power. It is suitable for players who are fans of switching between offensive and defensive gameplay.