Ideal to support, stabilize the knee Prevents knee injury during sports or work activity Open patella can position the knee Provides heat therapy Help to speed up recovery Ideal to support, stabilize the injured knee, and also prevent knee injury during sports or work activity. The open patella circular knee pad can protect the patella and position the knee without displacement. The durable neoprene materials can provide heat therapy and more light compression to accelerate the blood circulation, therefore prevent knee injury during activities requiring repetitive movement of the knee, and injured knee can relief the pain.