[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 and reducing slippage compared to similar products on the market. [Comfortable and Breathable] Constructed 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 delivers comfort and support during use. [Stable Support] Includes hidden soft and elastic spring support bars on both sides of the knee joint to help disperse pressure during activity. Provides compression and support to the knee joint, helping reduce the risk of meniscus injuries, strains, and sprains. May help relieve discomfort 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, allowing for a more precise fit. Delivers multidirectional support and comfort. [After-sales Service] Measure your leg circumference 4 inches above the knee before purchase. Refer to the size chart in the product images. Suitable for leg circumferences ranging from 13.8 to 23.2 inches. If you have any feedback or concerns, we are committed to addressing them to ensure your satisfaction. We aim to provide high-quality products and customer service.