This sports knee brace features an open patella design with dual-side spring support bars and adjustable upper and lower straps, providing stable support and a secure fit around the knee. The circular patella opening improves wearing comfort, while the hook-and-loop fastening system allows customized adjustment for different leg shapes. Made with durable high-elastic fabric and reinforced stitching, it offers excellent flexibility, breathability, and long-lasting performance. Suitable for running, basketball, fitness training, and outdoor activities, it provides reliable knee support for active users.