Read from the World of Warcraft client build files.
How Ordon Legend-Keeper Vest Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Ordon Legend-Keeper Vest suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Ordon Legend-Keeper Vest is part of the transmog set Jade Guardian's Regalia (Hunter, Shaman and Evoker only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Ordon Legend-Keeper Vest Fits
Other Items Named Ordon Legend-Keeper Vest
1 other item in the current build is also called Ordon Legend-Keeper Vest. 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 101926 (101921 to 101931) were usually added in the same batch as Ordon Legend-Keeper Vest: the same quest line, zone, vendor or reward set.