WMX Tactical Field Wargame Protective SWAT Hat Helmet Durable ABS material with suspension webbing and chin 9.8 by 10.5 inches,1.28lb,lightweight and comfortably fit Standard size (adjustable),head circumference:22.5-23.5 inch,please refer to the specific size images Two point chinstrap with adjustable four-point suspension system Suitable for hunting,wargames,outdoor activites etc