Read from the World of Warcraft client build files.
How Dominant Combatant's Leather Helm Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Dominant 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
Dominant Combatant's Leather Helm is part of the transmog set Fierce 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 Dominant Combatant's Leather Helm Fits
Other Items Named Dominant Combatant's Leather Helm
1 other item in the current build is also called Dominant 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 Dominant Combatant's Leather Helm
Blizzard numbers items as they are created, so the named items next to ID 149926 (149921 to 149931) were usually added in the same batch as Dominant Combatant's Leather Helm: the same quest line, zone, vendor or reward set.