Aerius V19-Sport Bike Helmet

Introduction CPSC approved 19 vent helmet Head Lock adjustable dial retention system for fine tuning the fit Removable visor Removable/washable pad system Sizes Chart: SM/MD 21-1/4 to 22-3/4″ (54 to 58 cm) MD/LG 22-3/4 to 24-1/2″ (58 to 62 cm) XL 23-1/2 to 24-3/4″ (60 to 63 cm)