Maximize performance on the court with the AS-50 shuttlecock – the ultimate in quality and uniform performance. For advanced, lightning-fast play, the AS-50 electrifies the game with its speed, stable trajectory and consistently quick recovery time. The base of the AS-50 is constructed of 100% solid cork, and the cone is made of goose feathers. The choice of The Olympics and other major international tournaments, the AS-50 gives excellent performance in any playing environment.