Read from the World of Warcraft client build files.
How Fire-Charm Chestguard Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Fire-Charm Chestguard 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
Fire-Charm Chestguard is part of the transmog set Fire-Charm Vestments (Monk only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Fire-Charm Chestguard Fits
Other Items Named Fire-Charm Chestguard
4 other items in the current build are also called Fire-Charm Chestguard. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 96649 (96644 to 96654) were usually added in the same batch as Fire-Charm Chestguard: the same quest line, zone, vendor or reward set.