Read from the World of Warcraft client build files.
How Red Crane Chestguard Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Red Crane 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
Red Crane Chestguard is part of the transmog set Vestments of the Red Crane (Monk only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Red Crane Chestguard Fits
Other Items Named Red Crane Chestguard
2 other items in the current build are also called Red Crane 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 86728 (86723 to 86733) were usually added in the same batch as Red Crane Chestguard: the same quest line, zone, vendor or reward set.