Yonex AERUS X2 Yonex has introduced its latest innovation, the AERUS X2, touted as the lightest badminton shoe yet. The entire AERUS shoe series boasts an incredibly low weight, aiding fast footwork for players who rely on quick and dynamic movements to stay alert and agile on the court. With POWER CUSHION+ and Power Graphite Light technologies, the AERUS X2 is not only very light, but also more easily transfers energy to the next step. Yonex AERUS X2