As they pass the young lad on the right, he will give each one a marked reed (one for each trip). At the end of the day, they present them to the paymaster for their day's wages. They wear a fabric shoulder cloth and some sort of head cover to absorb the scuffing a 300 pound load imposes on them.
Most of them wear simple sandals, occasionally some hardy soul can be seen working barefoot. Give these men your admiration and your honor, they earn it and deserve it.