Open knee cap design for added support. It features a side ventilation for breathability and reduced bunching behind knee. Made of durable neoprene blend material for strong support, soothing warmth and comfort. Adjustable for custom fit to your knee. Open patella design for support. Side air vents help reduce bunching. Futuro offers a wide range of quality products to support your active life. Futuro Sport products are designed to meet your performance needs during sports and other physical activities. Features: Comfortable neoprene blend helps knee pain retain warmth. Three adjustable straps for proper fit and support. Side ventilation design for less bunching behind the knee and greater breathability. Size: This Futuro Adjustable Neoprene blend Support has been designed with Velcro brand straps in order to create a customized fit for most body types.