1Suitable for all kinds of sports, provides stable support for the knee, and better protects the knee. 2Helical spring support strip supports knee joint, care knee joint health. 3Silicone anti-collision pad stabilizes knee joint, disperses knee pressure, stabilizes patella and protects knee. 4Three-dimensional knitting, can form gradient pressure, accurate and targeted pressure, so as to provide support in the movement. 5Exquisite workmanship, edge wrapping design, stretch without deformation.