The design of خوذة مكافحة الشغبt not only considers the protective performance, but also pays attention to the comfort and convenience of the user. It usually adopts an adjustable head circumference, which can adapt to people with different head circumferences; the internal air circulation is good, which can ensure that the user will not feel stuffy when using it for a long time; the appearance is simple and beautiful, and will not affect the user's image.