From Wiki: The burgonet helmet is characterised by a skull with a large fixed or hinged peak projecting above the face-opening, and usually an integral, keel-like, crest or comb running from front to rear. Attached to the skull are substantial hinged cheekpieces which usually do not meet at the chin or throat. A flange projects from the lower parts of the skull and cheekpieces to protect the back and sides of the neck. Though typically a relatively light helmet and open faced, a falling buffe, a sort of visor that was closed by being drawn up rather than down, was sometimes used. Some helmets, often termed "close burgonets", were made which took elements, such as the peak, crest and falling buffe, of the burgonet and combined them with the hinged bevor of the close helmet.