[Adjustable Hook and Loop Fastener] Features an extended support strap for the knee patella. Made with high elasticity and fixed compression, allowing you to adjust the tightness for personalized support. The open and adjustable design ensures a secure fit, enhancing stability and preventing slippage during use. [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, offering sweat absorption and breathability to help prevent skin irritation. Provides excellent shape retention and comfortable support during wear. [Stable support] Equipped with hidden soft elastic support bars on both sides of the knee joint to help disperse pressure during activity. Offers compression and support to help protect against meniscus injuries, strains, and sprains. May help relieve discomfort associated with ACL, LCL, MCL, tendinitis, and knee arthritis. Supports knee stability 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, providing improved comfort and support from all directions. [After-sales service] Measure the leg circumference 4 inches above the knee 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 assisting and resolving your concerns to ensure satisfaction.