Stormwind Tabard (rare)

The Stormwind Tabard is a Bind to Account tabard replica of those worn by. It is only useable by Alliance characters. It is an optional part of the Stormwind Set.

Source
The Stormwind Tabard is a reward from Scraps of Iron (Alliance), given by in the Dwarven Bunker garrison building. The quest requires 5 Iron Horde Scraps.