1The straps are pressurized and not easy to slide. The two straps are free to adjust the tightness and find the right degree of restraint. 23D knitting technology, high-density three-dimensional knitting, fits the knee joint. 3Stabilize the knee joint, stabilize the cushion, protect the tibia, protect the tendon and meniscus. 4Hook and loop paste, high quality suede, not easy to pilling, long service life. 5Made of high quality nylon + spandex, soft, high elastic, breathable and comfortable.