Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Costume (hierarchy name)
5. costume (mode of fashion)
6. [costume by function]
7. protective wear
8. armor
9. [armor by form]
10. body armor
11. [body armor for neck and head]
12. [body armor for the head]

Anotations

Scope note:

Open helmets, of iron or steel, with a horizontal or downward-sloping broad brim running all the way around, sometimes pierced with an eye slit. They were worn by infantry and besieging forces, more rarely by knightly classes, from the 12th to the 17th century.