The Li-Ning 3D Calibar X Combat 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 COMBAT Series racket featuring a heavier head and higher balance point. It is a perfect match for players who swear by their aggressive gameplay and want absolute power domination.