Read from the World of Warcraft client build files.
How Bearmantle Harness Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Bearmantle Harness 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
Bearmantle Harness is part of the transmog set Bearmantle Battlegear (Druid only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Bearmantle Harness Fits
Other Items Named Bearmantle Harness
1 other item in the current build is also called Bearmantle Harness. 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 247158 (247153 to 247163) were usually added in the same batch as Bearmantle Harness: the same quest line, zone, vendor or reward set.