[Adjustable Hook and Loop Fastener] Features an extended support strap for the knee patella. With high elasticity and compression, it allows customizable tightness for personalized support. The open and adjustable design ensures a secure fit on the knee, offering enhanced stability and reduced shifting compared to similar products. [Comfortable and Breathable] Made from high-quality polyester fiber, the knee brace is skin-friendly, odor-free, and features a mesh design. The inner fabric is in direct contact with the skin, providing sweat absorption and breathability to help prevent skin irritation. Offers excellent shape retention and consistent comfort and support during use. [Stable Support] Equipped with hidden soft elastic spring support bars on both sides of the knee joint to help disperse pressure during activity. Provides compression and support to the knee, helping to prevent strains, sprains, and meniscus injuries. May assist in reducing discomfort associated with ACL, LCL, MCL, tendinitis, and knee arthritis. Offers supportive performance 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, allowing for a more precise fit and enhanced all-around support and comfort. [After-Sales Service] Before purchase, measure the leg circumference 4 inches above the knee. Refer to the size chart in the product images. Suitable for leg circumferences between 13.8 and 23.2 inches. If you have any feedback or concerns, we are committed to addressing them to ensure your satisfaction. We strive to provide high-quality products and customer support.