For knee sizes 35cm and up - Please measure around your knee to check suitability. The fully adjustable Velcro can be applied anywhere on surface of the brace for customized fit. Open fronted design makes putting on and taking off very easy. Fits left or right leg. The special design allows full mobility of the knee and is ideal to wear while playing your favorite sport. Provides compression that improves blood flow to the surrounding tissues. Can be used to treat non-penetrating traumas and concussions of the knee joint. The neoprene fabric produces mild massaging and warming effect to promote healing. Neoprene (80%) and Nylon (20%).