<p>1、The elastic adjustment button protects the head position from injury. It is freely adjustable and easy to wear. </p><p>2、Back strap adjustment, round hole in the auricle, round hole for ventilation and sound transmission, punched hole on both sides of the auricle of the helmet for sound conduction and ventilation and heat dissipation </p><p>3、Segmented EVA hot?pressed sponge can effectively deal with all kinds of sports collision, protect the head from injury, and fit different head curves, making it more comfortable to wear. </p><p>4、Made of high quality EVA Material, resistant to dirt, wrinkle and abrasion. </p><p>5、This helmet is comfortable to wear, suitable for a variety of sports, such as soccer, football, lacrosse, hockey, roller?skating and so on.</p>