Cycle Helmet For Kids Child MTB Bike Bicycle Skateboard Scooter Hoverboard Riding Safety Lightweight Adjustable Breathable MA 2 (M (52 56cm, 20.4 22 inch), MTR Blue)

AIR FLOW SYSTEM - a ventilation system that guides the air flow through the vents in the shell of the helmet without affecting stability QUICK-RELEASE SYSTEM - quick kink closures FIT SIZE HEADLOCK SYSTEM - a multi-setting ring for smooth diameter control Removable filling elements - allows cleaning of the sweat-absorbing elements, can be washed and dried efficiently. ANTIBACTERIAL INTERIOR - soft, delicate to the touch lining that prevents the growth of bacteria and reduces the unpleasant odor caused by sweat, do not hook the hair.