This product is mainly used to provide support to knees with chronic instabilisation of the cruicate ligaments and patella subluxation. It is made of laminated neoprene exteriorly with jersey and interiorly with plush The neoprene has perforation which reduces excessive perspiration without losing body temprature. The steel springs on the sides provide convenient support to the collateral ligaments whereas the straps in the front reduce tension on the crucial ligaments.