The 3D CALIBAR 600I badminton racket is built on the 3D Calibar Technology Platform and features a high-tech, geometric badminton racket frame design that greatly reduces air resistance. It produces faster swing speeds for bigger smashes and gains. Li-Ning INSTINCT rackets weigh less than 80 grams, feature a flexible shaft and are engineered to facilitate a fast attack style of play. Suitable for players looking for a lightweight racket with aggressive speed and agility.