phelonion

thumb|alt=Chrysostomos of Smyrna|Icon of Saint Chrysostomos of Smyrna wearing a polystavrion (“many crosses”) phelonion.

The phelonion (Greek: , plural, , phailónia; Latin: paenula, Russian: Фело́нь - Felón’) is a liturgical vestment worn by a priest of the Byzantine Christian tradition. It is worn over the priest's other vestments and is equivalent to the chasuble of Western Christianity.