For the Macho Dyna Head Gear. This shield is lighter and offers more peripheral vision than a standard steel constructed cage. It is made from 1/8" polycarbonate plastic and has been impact tested to assure its strength and durability. It has wide air vents to allow easy breathing to eliminate fogging. Head gear is not included. Will fit Dyna headgear in sizes Small, Medium, Large and X-Large. It does not fit X-Small and XX-Large.