[Adjustable Hook and Loop Fastener] Features an extended support strap for the knee patella. With high elasticity and fixed compression, you can adjust the tightness to your preference, providing personalized support. The open and adjustable design ensures a secure fit on the knee, offering enhanced stability and reducing the risk of slippage compared to similar products. [Comfortable and Breathable] Made from high-quality polyester fiber, this knee brace is skin-friendly, odor-free, and features a mesh design. The inner fabric is in direct contact with the skin, offering moisture-wicking and breathable performance to help prevent skin irritation. It maintains shape well and provides lasting comfort and support during use. [Stable Support] Equipped with hidden soft and elastic support stays on both sides of the knee joint, this brace helps disperse pressure during activity. It delivers reliable compression and joint support, helping to prevent strains, sprains, and meniscus injuries. It may also assist in reducing discomfort associated with ACL, LCL, MCL, tendonitis, and mild knee arthritis, supporting recovery and reducing strain during physical activity. [Comfortable Ergonomic Design] Designed based on the natural curvature of the knee and leg, this knee brace features a left and right leg-specific design for improved ergonomics. This allows for a more precise fit, delivering superior comfort and support from all angles. [After-sales Service] Before purchasing, measure the leg circumference 4 inches above the center of the knee. 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 assisting you until you are fully satisfied. We aim to provide high-quality products and customer service.