The Shock Doctor(R) HyperBlend Knee Brace with Patella Gel and Stays offers high-level support and stability. The steel springs and gel buttress help stabilize the knee and supports the patella at the same time. The HyperBlend kneed brace is made with spandex mesh panels which not only offer comfort and flexibility they increase airflow. Features Moderate to higher-level support for pain relief associated with ligament instabilities Gel buttress supports soft tissue and patella Bilateral spring steel support stays for stability Spandex mesh panel for comfort and flexibility Breathable, targeted compression support 25% lighter than traditional neoprene sleeves Anatomical pre-curved compression fit