About this item 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. ISI Certified with IS no.: IS 4151:2015 and CM/L no.: 1650145 Metallic Quick release silent buckle Removable and washable lining it is also odor resistant helping the helmet stay fresher, longer in between cleaning, removable nose guard, Collarbone safe profile. Scratch resistant & UV resistant. Visor in optical polycarbonate
