Introducing Yonexs new goose feather shuttlecock: AEROCLEAR 30. Compared to the competitors shuttle, AEROCLEAR 30 has a more consistent flight and increased durability. The performance of the AEROCLEAR 30 is comparable to Yonexs AEROSENSA 30, but offered at a more affordable price point. It is best suited for practice and match usage. *Shuttlecock performance can vary by altitude