this protection on the arms, legs and shoulders made of nano tissue. durable, elastic, but it is very light, like a second skin. protects the muscles and ligaments of any injury, the sweat evaporates, cooling the skin. It kills harmful bacteria, because of what you can wear for a long time. blue LEDs change color to red if there is a risk of injury or in case of overload muscles.
It can be of different types and colors. suitable for any kind of sport, and not only.
the pic with Hinata and Kageyama