Read from the World of Warcraft client build files.
How Ferocious Gladiator's Leather Tunic Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Ferocious Gladiator's Leather Tunic suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Ferocious Gladiator's Leather Tunic is part of the transmog set Cruel Gladiator's Leather Armor (Rogue only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Ferocious Gladiator's Leather Tunic Fits
Other Items Named Ferocious Gladiator's Leather Tunic
3 other items in the current build are also called Ferocious Gladiator's Leather Tunic. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Ferocious Gladiator's Leather Tunic
Blizzard numbers items as they are created, so the named items next to ID 145540 (145535 to 145545) were usually added in the same batch as Ferocious Gladiator's Leather Tunic: the same quest line, zone, vendor or reward set.