It is an outer vestment worn by a priest.
White vestments are worn
A vestment worn by ancient Hebrew priests.It is something the Jewish High Priest wore when going into the Holy of Holies in the Temple of the Lord.There is an occasion that the High Priest was wearing the Ephod to inquire of the Lord for King David.
Roman Catholic AnswerVestment usually refers to the chasauble worn by a priest or bishop when celebrating Mass; although in a broader way it can refer to any particular clothing worn by Christian clergy.
The white vestment worn by the priest is called an alb ( from the latin "albus", meaning "white"). It also worn by deacons, servers, and occasionally Eucharistic ministers. A white vestment placed over the alb at Mass is called a chasuble for priests and dalmatic for daecons. That can be red, green, violet, or white. White is worn during certain liturgical seasons and holy days, but the alb is always white, sometimes "off" white or ivory.
Green would be worn on her feast day as it occurs during Ordinary Time.
A priest's vestment is simply known as a gown or robe.
If you mean the liturgical vestment worn around the shoulders of priests as they administer the sacraments it is called a 'stole'.
papal serape
.Catholic AnswerThe priest wears a white chasuble (gold may be worn) and stole on Easter, and throughout the Easter Season, including Divine Mercy, and Ascension.
During Baptism the color of priest vestment is WHITE.
If an altar server is wearing a black or red vestment that is full length that is called a cassock. A short white vestment worn over the black or red long vestment is called a surplice. A white vestment if full length is called an alb .