Description Size for the helmets would be :XS: 53-54 cm, S: 55-56 cm, M: 57-58 cm, L: 59-60 cm basis head measurement. Kindly refer image size chart for details. Comes with a different shell Lightweight which fits in all mopeds. Small (56 cm), Medium(57 cm), Large(58 cm), Extra Large(60 cm) Dashing looks with ponytail space. Silent chin strap lock Patent lock mechanism for helmet. All helmets feel tight at first to meet safety requirements and foam takes time to adjust according to head size
