Read from the World of Warcraft client build files.
How Ferocious Combatant's Leather Helm Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Ferocious Combatant's Leather Helm 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 Combatant's Leather Helm is part of the transmog set Cruel Combatant'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 Combatant's Leather Helm Fits
Other Items Named Ferocious Combatant's Leather Helm
1 other item in the current build is also called Ferocious Combatant's Leather Helm. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Ferocious Combatant's Leather Helm
Blizzard numbers items as they are created, so the named items next to ID 146039 (146034 to 146044) were usually added in the same batch as Ferocious Combatant's Leather Helm: the same quest line, zone, vendor or reward set.