Optimize your performance on the court with Yonex AerosensaAS-40 Badminton Feather Shuttlecocks. These premium shuttlecocksare favoured by top badminton players around the world forhigh-level performance and play. AEROSENSA shuttlecocks can becounted on unfailingly to have a stable trajectory, good speed, andextremely fast recovery. The precisely engineered technology inevery lightweight YONEX feather shuttlecock is extensively checkedand tested to guarantee consistent performance. From the carefulselection of high-quality materials through to each advancedmanufacturing process, meticulous attention to detail goes into thedesign and production of YONEX Feather Shuttlecocks to ensuredistance stability under the varying environmental conditions ofinternational play. Quality to withstand the punishing impacts oftoday's high-speed game is why YONEX Feather Shuttlecocks are theofficial shuttlecocks of leading international tournaments!