[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 helps the knee brace stay securely in place, 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 moisture absorption and breathability to help prevent skin irritation. Offers good wrinkle resistance and shape retention, ensuring 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 consistent compression and support to the knee joint, helping reduce the risk of strains, sprains, and meniscus injuries. 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 a more ergonomic fit, allowing the brace to conform better to the body. Delivers balanced support and comfort from multiple directions. [After-Sales Service] Before purchase, measure the leg circumference 4 inches above the knee and refer to the size chart in the product images. This brace fits leg circumferences from 13.8 to 23.2 inches. If you have any issues or feedback, we are committed to addressing your concerns to ensure satisfaction. We aim to provide high-quality products and customer service.