High - strength thermoplastics tpu stability slice , specially designed for badminton sports , is used in the lateral heel of the shoes . it prevents accidental evagination and provides the stability of movement 针对羽毛球运动特性，在鞋后跟外侧装置了由高强度热塑材料制成的tpu稳定片，提供侧向移动时的稳定性，防止外翻。