1. Apparel outside of Worship
Outside of the worship service, clergy from the Eastern Church usually wear a black cassock (full-length garment buttoned in the front) or the appropriate garments for an order.
For the garments of Roman Catholic clergy, the only two considerations are that they must be “suitable ecclesiastical garb according to the norms issued by the conference of bishops,” and they must be “according to legitimate local customs” (1983 CIC 284). Orders require that the apparel of the order be …