[Adjustable Hook and Loop Fastener] Features an extended support strap for the knee patella. With high elasticity and fixed compression, it allows adjustable tightness for personalized support. The open and adjustable design ensures a secure fit on the knee, offering enhanced stability compared to similar products on the market. [Comfortable and Breathable] Made from high-quality polyester fiber, this knee brace is skin-friendly with no unpleasant odor. The mesh design promotes breathability, while the inner fabric absorbs sweat and allows free airflow to help prevent skin irritation. Offers excellent shape retention and provides comfort and support during use. [Stable Support] Equipped with hidden soft elastic spring supports on both sides of the knee joint to help disperse pressure during activity. Provides consistent compression and joint support, helping to prevent meniscus injuries, strains, and sprains. Aids in relieving pain associated with ACL, LCL, MCL, tendinitis, and knee arthritis. Offers supportive assistance during physical activity and recovery. [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 fit. Delivers balanced support and comfort from all angles. [After-sales Service] Measure your leg circumference 4 inches above the kneecap before purchase. Refer to the size chart in the product images. Suitable for leg circumferences between 13.8 and 23.2 inches. If you have any questions or feedback, we are committed to addressing your concerns to ensure satisfaction. We strive to deliver high-quality products and service.