Safety Helmets, ANSI Classification Type 1, Class E, Head Protection Style Front Brim, Head Protection Suspension Type Ratchet (6-Point), Head Protection Color Yellow, Fits Hat Size 6 3/8 to 8, Head Protection Material HDPE, Accessory Mounting Options Side-Slots, Head Protection Venting No, Compatible Suspension Brand Name AirBridge(R), Standards ANSI Z89.1, CE EN397