Elements of the helmet that I will try to incorporate into my model.
Hachi (helmet bowl)
Shikoro (neck guard)
Tatemono or datemono (helmet crests)
Fukigaeshi (wing- or ear-like projections on both sides of the kabuto)
Mabizashi (brim or visor)
Shinobi-no-o: Kabuto would be secured to the head by a chin cord (shinobi-no-o)
Ukebari (hachi lining
Link to more information.