Adopt elastic fabric, built-in anti-slip strip, use high quality Velcro, and cooperate with pressure band, can adjust the size freely, let knee braces fit your knee, easy to use. The knee braces front opening design, with built-in high-quality silica gel ring, which can stabilize the knee joint, mitigate shock and decompress, and relieve excessive extrusion of the knee joint during strenuous exercise. Ideal for any activity that puts a lot of pressure on the joints, such as running,basketball, baseball, soccer, gym, hiking, volleyball, etc. Two folding aluminum plates are placed on both sides of the knee braces to disperse the pressure on the knee joint during movement.Effective relief of acute and chronic knee pain, such as MCL, arthritis, strain, sprain, meniscus tear, etc. Knee braces are suitable for people withweights ranging from 110-220 lb ,knee sizes top edge length:22in stretch to25in ,lower edge length:19in stretch to 21in .Thank you for your recognition, we will continue to strive to provide good products. The front opening design, built-in high quality silicone ring, stabilize the knee joint, mitigate shock and decompress, relieve excessive extrusion of the knee joint during strenuous exercise. Two folding aluminum plates are placed on both sides of the knee braces to disperse the pressure on the knee joint during movement.Effective relief of acute and chronic knee pain, such as MCL, arthritis, strain, sprain, meniscus tear, etc. Elastic fabric, sweat absorbing, fabric with circular edge design, fine stitching, stretching is not easy to deformation.Built-in fabric with wavy anti-slip strip, increase the anti-slip area is not slippage. Adopt high quality Velcro, with the design of pressure band and long band, you can adjust the size freely, so that the protective gear fits the knee.Knee braces are suitable for people withweights ranging from 110-220 lb ,knee sizes top edge length:22in stretch to25in ,lower edge length:19in stretch to 21in .