Ladies ski helmet mens ski helmet application allround special features goggle compatible ventilation adjustable size with ear pads earpads removable natural sound system ventilation adjustable ventilation construction hardshell adjustable fit system uvex ias system closure system monomatic buckle colour grey type of helmet half shell helmet chinstraps adjustable padded security standards astm f 2040 en 1077 b en 1077 a inner linings removable hypoa