This item is acquired in-game. See its sources below.
An Uncommon Cloth Feet, item level 41, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Steamburst Treads is listed as Quest. Appearance ID: 21970. 3 other items wear the same appearance:
Read from the World of Warcraft client build files.
3 quests list Steamburst Treads among their rewards in Blizzard's quest data.
Foundry-Fired Plate Warboots, 
Wildwood Wrangler Sabatons, 
Overgrowth Cutter BootsFoundry-Fired Plate Warboots, Wildwood Wrangler Sabatons, Overgrowth Cutter BootsFoundry-Fired Plate Warboots, Wildwood Wrangler Sabatons, Overgrowth Cutter BootsRead from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Steamburst Treads suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Steamburst Treads uses icon file 937855, which 18 other items also use. The 4 closest by item ID:
Blackrock Slippers ID 112660 · Armor - Cloth · item level 39Auchenai Keeper Treads ID 112513 · Armor - Cloth · item level 42Grom'gar Wolfskin Slippers ID 113250 · Armor - Cloth · item level 40Firefly Sandals ID 114255 · Armor - Cloth · item level 42Blizzard numbers items as they are created, so the named items next to ID 112592 (112587 to 112597) were usually added in the same batch as Steamburst Treads: the same quest line, zone, vendor or reward set.
Riverbeast Tusk Shank ID 112587 · Weapon - Dagger · item level 42
Foundry-Fired Plate Chestplate ID 112588 · Armor - Plate · item level 41
Wildwood Wrangler Vest ID 112589 · Armor - Mail · item level 41
Overgrowth Cutter Vest ID 112590 · Armor - Leather · item level 41Foundry-Fired Plate Warboots ID 112591 · Armor - Plate · item level 41Wildwood Wrangler Sabatons ID 112593 · Armor - Mail · item level 41Overgrowth Cutter Boots ID 112594 · Armor - Leather · item level 41
Overgrowth Cutter Gloves ID 112595 · Armor - Leather · item level 41
Foundry-Fired Plate Gauntlets ID 112596 · Armor - Plate · item level 41
Steamburst Gloves ID 112597 · Armor - Cloth · item level 41The raw ItemSparse values for item 112592 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB