Ancient Roman Society had very clear class distinctions
Senatorial Class: This was the political class dominated by nobles, Men of senatorial class wore tunics with broad stripes.
Equestrian Class: The basis for this class was economic. Basically meaning how much wealth a man possessed. Equestrians wore a tunic with narrow stripes
Commons: All other freeborn Roman Citizens. Males wore a toga
Freedpeople: Men and women who had been slaves but had bought their freedom, Although not completely free because they had various restrictions on their rights. Their freeborn children, however, became full citizens, Commmons. Freedpeople had no special distinction of dress, though their names indicated their status as free.
Slaves: Born or sold into slavery through war or piracy. No distinctive dress although those that ran away were sometimes made to wear metal collars with inscriptions such as "I have run away. Capture me, When you have returned me to my master, Zoninus, you will receive a reward"