The most medically advanced Patella brace Adjustable tension.Specially shaped neoprene insert offering a full range of pressures to be placed on the patella.Assisting with correct tracking, relieving pain and inflammation.Made from an antibacterial treated, breathable neoprene foam.Hard wearing stretch nylon laminated exterior.Class 1 Medical Device.One size: 10" to 15" (25.4 cm to 38.1 cm). Circumference measured round the knee below the patella.