I believe they must have used torn pieces of cloths or rags to manage it and keep clean.
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A tunique.
spartan slaves wore knee length cape styled togas they had to be easy to work in there heads shaved and were barefooted.....
Tunics, nothing or loincloths depending on their services to their masters.
Most were slaves who were considered too low in status to wear clothes. This was dirty sweaty work. The ancient Egyptians were practical people aware that dirty, sweat laden clothing can lead to skin disorders. Better then to keep the slaves naked, healthy and capable of work.
They wore helmets in order to protect their head from the weapons of their enemies during the battle.