A galea was a Roman soldier's helmet. Some gladiators, specifically myrmillones, also wore bronze galeae with face masks and decorations, often a fish on its crest. The exact form or design of the helmet varied significantly over time, between differing unit types, and also between individual examples – pre-industrial production was by hand – so it is not certain to what degree there was any standardization even under the Roman Empire.
Originally, Roman helmets were influenced by the neighboring Etruscans, people who utilised the "Nasua" type helmets. The Greeks in the south also influenced Roman design in its early history.
The primary evidence is scattered archaeological finds, which are often damaged or incomplete. There are similarities of form and function between them.
H. Russell Robinson in his book The Armour of Imperial Rome, published in 1975, classified into broad divisions the various forms of helmets that were found. He classified four main types of helmets for heavy infantry (with subcategories named with letters) and 30 different types of cheek guards.
Helmets used by gladiators were quite different from military versions.
Legionary infantry helmets
- Montefortino helmet (4th century BC – 1st century AD)
- Coolus helmet (3rd century BC – at least 79 AD)
- Imperial Gallic helmet (late 1st century BC – early 2nd century AD)
- Imperial Italic helmet (late 1st BC – early 3rd century AD)
- Ridge helmet, first depicted on coins of 4th-century AD emperor Constantine I
Some of the helmets used by legionaries had a crest holder. The crests were usually made of plumes or horse hair. While the fur is usually red, the crests possibly occurred in other colors, like yellow, purple and black, and possibly in combinations of these colors such as alternating yellow and black. Gladiators such as the samnis and the hoplomachus also probably wore large feathered crests.
There is some evidence (Vegetius writings and some sculptures) that legionaries had their crests mounted longitudinally and centurions had them mounted transversely. Crests may have been worn at all times by centurions in the early empire, including during battle, but legionaries, and centurions during other periods, probably wore crests only occasionally.
- Kennett, Basil. "Romae antiquae notitia; or, The antiquities of Rome". 1792, p. 275
- Kelsy, Francis. "C. Iulii Caesaris Commentarii Rerum Gestarum: Caesar's Commentaries: The Gallic War, Books I-IV, with Selections from Books V-VII and from The Civil War". Allyn and Bacon, 1918, p. 622
- Robinson, H. Russell (1975). The Armour of Imperial Rome. New York: Charles Scribner's Sons. ISBN 0-684-13956-1.
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