Read from the World of Warcraft client build files.
How Grievous Gladiator's Dragonhide Footguards Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear.
Transmog Sets
Grievous Gladiator's Dragonhide Footguards is part of the transmog set Grievous Gladiator's Dragonhide Armor (Druid only), which the Appearances collection lists in 2 versions. The other 16 pieces:
Items Numbered Next to Grievous Gladiator's Dragonhide Footguards
Blizzard numbers items as they are created, so the named items next to ID 102142 (102137 to 102147) were usually added in the same batch as Grievous Gladiator's Dragonhide Footguards: the same quest line, zone, vendor or reward set.
Unclaimed Black Market ContainerID 102137 · Miscellaneous"An item sold at a previous auction that was never picked up by the winning bidder. Buyer beware."