It is ideal for weak knee stabilization and injury prevention. Circular gel pad is welded on the inner of elastic support to support and protect the patella to avoid knee strain or sprains. The gel pad also provide massage effect continuously while motion to promote the blood circulation. Anatomical knitting construction of elastic support can avoid some unnecessary pressure on the popliteal and make more stretchable on the knee cap to enhance the comfort. Four-way stretch can help to put on and off easily. The lateral spiral stay on both sides of knee provide additional support and stability for the knee. Prolonged wearing can promote blood circulation, reduces pain and swelling, speeds up recovery, also prevent injury as well.