[Adjustable Hook and Loop Fastener] Features an extended support strap for the knee patella. Designed with high elasticity and fixed compression, allowing you to adjust the tightness for personalized support. The open and adjustable design ensures a secure fit on the knee, offering enhanced stability compared to similar products. [Comfortable and Breathable] Made from high-quality polyester fiber. Skin-friendly material with no unpleasant odor, featuring a mesh design. The inner fabric is in direct contact with the skin, providing moisture absorption and breathability to help prevent skin irritation. Offers excellent shape retention and delivers comfort and support during use. [Stable Support] Equipped with hidden soft and elastic spring support bars on both sides of the knee brace. Helps disperse pressure on the knee joint during activity, providing consistent compression and joint support. Helps protect against meniscus injuries, strains, and sprains. May help relieve discomfort associated with ACL, LCL, MCL, tendinitis, and knee arthritis. Can assist in reducing strain during movement. Suitable for use during 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 improved ergonomics, ensuring a more precise and comfortable fit. Delivers reliable support and comfort from all angles. [After-sales Service] Before purchase, measure the leg circumference 4 inches above the center of the kneecap. Refer to the size chart in the product images. This product fits leg circumferences ranging from 13.8 to 23.2 inches. If you have any questions or feedback, we are committed to addressing your concerns and ensuring your satisfaction. We aim to provide high-quality products and customer service.