Indications: Tibial plateau fracture, tibiofibular fracture, cruciate ligament injuries, meniscus injuries, knee joint contracture with preventive Features: 1.Double-layer reinforced protective plate,detachable. 2.Dual perforation design enhances breathability and prevents stuffiness. 3.Open-structure hook&loop fasteners for easy wearing. 4.Upgraded non-slip shock absorbing sole.