Elastic knitted knee support with semi-rigid hinges, kneecap pad, and adjustable straps. 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 FEATURES AND BENEFITS: Anatomical 3D knit design to help provide effective and targeted cmpression (20-36mmHg, medical standard) and support Breathable, elastic soft knit for enhanced comfort Strech zones over the patella and the back of the knee to aid breathability, comfort, and freedom of movement Compression-reduced edges, help divert pressure at the ends of the support to provide a comfortable fit Anatomical contoured knee pad to aid stability of the patella, massaging effect, and to help improve proprioception 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 helpprovide extra secure hold under stress Adjustable straps around the thigh and lower leg The thigh circumference should be taken 15 cm above the patella mid-line and where your sizing falls between measurements, please select the next size up. Use the diameter you measure here to choose your size. Part Number Size Thigh 82-0712-1 X - Small 35-38cm 13 ½˝-15˝ 82-0712-2 Small 39-42cm 15 ½˝-16 ½˝ 82-0712-3 Medium 43-46cm 17˝-18˝ 82-0712-4 Large 47-49cm 18 ½˝-19 ½˝ 82-0712-5 X - Large 51-53cm 20˝-21˝ 82-0712-6 XX - Large 54-57cm 21 ½˝-22 ½˝