For instance, there were the Praegenarii. These fighters were lightweight opening entertainment,. They battled with wooden swords and wore padding. They often fought to the tune of light-hearted music.
Then there were the Hoplomachi. They wore quilted, trouser-like leg wrappings, maybe made from linen, a loincloth, a belt, a pair of long shin-guards or greaves, an arm guard (manica) on the left arm, and a brimmed helmet. They fought with a sword, a spear, and a small shield.
There were many other types of gladiatori as well. Read all about them.