Super buy Sports Adjustable Knee Patella Sleeve Wrap Support Brace Cap Stabilizer Blue Material: Composite materials Fully adjustable Velcro to make it close tighter and better compression for the knee to provide grip Provide compression for weak or over stressed knees Exclusive reinforced stabilizers to prevent displacement 2 Adjustable Nylon & Velcro Straps Retains body heat to warm knee joint and increase blood circulation.