The falling buffe is 16th century

armour Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or f ...

for the throat and lower face. It evolved from the

bevor A bevor ( ) or beaver is a piece of plate armour designed to protect the neck, much like a gorget. Etymology The word “bevor” or “beaver” is derived from Old French ''baver'', meaning ‘to dribble’. This is a reference to the effect o ...

and was composed of several lames, retained in place by spring catches, which could be lowered for better ventilation and vision. It was often attached to the otherwise open-faced helmet, the

burgonet The burgonet helmet (sometimes called a burgundian sallet) was a Renaissance-era and early modern combat helmet. It was the successor of the sallet. Characteristics The burgonet helmet is characterised by a skull with a large fixed or hinged ...

References

Medieval helmets Western plate armour {{armour-stub