Battle of Gaugamela main Persian infantry was poorly trained and equipped in comparison to Alexander's pezhetairoi and hoplites. The only respectable infantry Darius had were his 2,000 Greek hoplites and his personal bodyguard, the 10,000 Immortals. The Greek mercenaries fought in a phalanx, armed not with a heavy shield but with spears no longer than three metres, while the spears of the Immortals were two metres long. Among the other Persian troops, the most heavily armed were the Armenians, who were armed the Greek way and probably fought as a phalanx. The rest of Darius' contingents were much more lightly armed; the main
Thracian clothing and fawnskin boots called "embades" (Ancient Greek: Εμβάδες). Thracian clothing was sometimes decorated with intricate patterns. While patterned clothing was not unique to Thracians, the "zeira", "embades" and the "alopekis" probably originated from them. Clothing was made from hemp, flax or wool. The Dacians and the Getae wore pantaloons called bracae (Ancient Greek,""ἀναξυρίδες"" or ""θύλακοι"").These loose pants were described in Euripides work as “variegated bags” (Ancient Greek,""τοὺς θυλάκους τοὺς ποικίλους"") and may have appeared highly ridiculous to the Greeks, although Ovid mentions the adoption of them by the descendants of some of the Greek colonists on the Euxine.These trousers were