Model: S380 1, through the impact test and pull with test certification by the CPSC (U.S. Consumer Product Safety Commission) bicycle safety authority IN-MOLD (mold) welding: the helmet shell and inner EPS foam is combined with advanced molding technology, making the helmet More robust and reliable. In-Molding techniques, EPS foam is injected directly into the helmet shell molding, Not a single molding and then paste it into the helmet shell 3, rapid rotation regulator: the driver can quickly adjust the helmet comfort, perfect comfort.