Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Glimmerthread Pantaloons Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Glimmerthread Pantaloons 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
Glimmerthread Pantaloons is part of the transmog set Restless Dreambound Battlegear (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Glimmerthread Pantaloons Fits
Other Items Named Glimmerthread Pantaloons
1 other item in the current build is also called Glimmerthread Pantaloons. 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 157596 (157591 to 157601) were usually added in the same batch as Glimmerthread Pantaloons: the same quest line, zone, vendor or reward set.