Kids ski helmet application allround special features goggle compatible ventilation with ear pads adjustable size with y clip earpads removable ventilation adjustable ventilation construction in mold ventilation technology uvex vent system adjustable fit system uvex ias system closure system monomatic buckle colour red type of helmet half shell helmet chinstraps adjustable padded security standards astm f 2040 en 1077 en 1077 b inner linings hypoall