[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, 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 soft and in direct contact with the skin, offering moisture-wicking and breathable performance to help prevent skin irritation. Provides excellent shape retention, comfort, and support during daily or athletic activities. [Stable Support] Equipped with hidden soft elastic support stays on both sides of the knee. Helps distribute joint pressure during movement, delivers consistent compression, and supports the knee joint. Aids in preventing strains, sprains, and meniscus injuries. Helps relieve discomfort associated with ACL, LCL, MCL, tendinitis, and mild knee arthritis. Offers support to reduce strain during physical activity. [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, ensuring optimal alignment, support, and comfort from all angles. [After-sales Service] Before purchase, measure the leg circumference 4 inches above the kneecap. 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 concerns, we are committed to resolving them to your satisfaction. We aim to provide high-quality products and reliable customer support.