Information DonJoy Stabilax Hinged Elastic Knee Support is an elastic knitted knee support featuring semi-rigid hinges, kneecap pad, and adjustable straps. The anatomical 3D knit design to help provide effective and targeted cmpression (20-36mmHg, medical standard) and support. Anatomical contoured knee pad to aid stability of the patella, massaging effect, and to help improve proprioception. INTENDED USE/INDICATIONS: Support and compression following acute and chronic knee injury, Proprioceptive and neuromuscular stimulation through compression, Mild medial (inner) and lateral (outer) ligament sprains of the knee, Mild knee instability and hypermobility, Prevention of injury. Available in Medium, Large & Extra Large. The benefits of this brace are: Removable semi-rigid bilateral polycentric hinges in combination with the strap system, provide added passive stability to aid the knee. Non-slip silicone-coated bands help provide extra secure hold under stress. Adjustable straps around the thigh and lower leg. NOTE: Measurements should be taken 15cm (6") above mid-patella.