Breastplate of the Chromatic Flight

The Breastplate of the Chromatic Flight is a plate breastplate that gives a bonus to strength, agility, stamina, and fire resistance.

Source
The Breastplate of the Chromatic Flight is a quest reward from the quest Breastplate of the Chromatic Flight (quest) which starts by reading the Catalogue of the Wayward which is located inside of the inn of Andorhal, Western Plaguelands.