[Adjustable Hook and Loop Fastener] An extended support strap for the knee patella. With high elasticity and fixed compression, you can adjust the tightness to your preference, providing the most suitable support. The open and adjustable design helps the knee brace stay securely in place, offering enhanced stability compared to similar products on the market.[Comfortable and breathable] Knee braces are made of high-quality polyester fiber. Skin-friendly with no peculiar smell, featuring a mesh design. The inner fabric is in direct contact with the skin, absorbs sweat, and allows breathability to help prevent discomfort. Offers good wrinkle resistance and shape retention, providing comfort and support during use.[Stable support] Soft and elastic spring support bars are discreetly placed on both sides of the knee joint to help disperse pressure during activity. Provides consistent compression and support to the knee, helping reduce the risk of strains, sprains, and meniscus injuries. May help relieve pain associated with tendinitis, ACL, LCL, MCL, and knee arthritis. Can also assist in reducing strain during physical activity. Suitable for exercise and recovery from sports-related injuries.[Comfortable ergonomic design] Designed based on the natural curvature of the knee and leg. Features left and right knee-specific construction for a more ergonomic fit, allowing the knee brace to conform better to the body. Delivers balanced support and comfort from all angles.[After-sales service] Before purchase, please measure the leg circumference 4 inches above the kneecap. Refer to the image in the listing for the size chart. This product fits leg circumferences from 13.8 to 23.2 inches. If you have any issues or feedback, we are committed to addressing your concerns until you are fully satisfied. We strive to provide high-quality products and excellent customer service.