Tabard of the Scarlet Crusade

The Tabard of the Scarlet Crusade is the tabard worn by rank-and-file members of the Scarlet Crusade.

It was removed in patch 5.0.4 but was reintroduced to the game in patch 5.3.0.

Source
The tabard has a very low chance to drop from Armsmaster Harlan in both Normal and Heroic difficulties of Scarlet Halls.