Read from the World of Warcraft client build files.
How Tranquil Bough Footpads Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Tranquil Bough Footpads 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
Tranquil Bough Footpads is part of the transmog set Battlegear of the Dreadhide Stalker (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 139067 (139062 to 139072) were usually added in the same batch as Tranquil Bough Footpads: the same quest line, zone, vendor or reward set.