Inflatable airbags can increase the stability and compression of the ankle. Fits right or left foot. The gradual air bladders provide custom compression and increased comfort and support. The aluminum support with good ductility gives the ankle a strong fixation effect, and it can conform to the user's leg contour. Excellent rocker-type sole design promotes the user's step to be more stable and natural. Wear-resistant and shock-absorbing sole.The universal design can meet the left and right feet at the same time and has a soft, washable foam lining.