Read from the World of Warcraft client build files.
How Forged Gladiator's Leather Mask Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Forged Gladiator's Leather Mask 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
Forged Gladiator's Leather Mask is part of the transmog set Forged Gladiator's Leather Armor (Rogue only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Forged Gladiator's Leather Mask Fits
Other Items Named Forged Gladiator's Leather Mask
3 other items in the current build are also called Forged Gladiator's Leather Mask. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Forged Gladiator's Leather Mask
Blizzard numbers items as they are created, so the named items next to ID 218581 (218576 to 218586) were usually added in the same batch as Forged Gladiator's Leather Mask: the same quest line, zone, vendor or reward set.