The stole symbolises the clerical office, immortality, and the Yoke of Christ. This, matching the liturgical colour, is a long, scarf-
The chasuble symbolises charity and the Yoke of Christ. This matches the liturgical colour and is a long, often ornate, sleeveless poncho-
The Cope Worn by the Priest or Deacon for non-
The Cassock The black cassock worn by most Priests in many different situations is of no special significance other than as a means of identification. Part of its significance is that it covers up and, to some extent, hides the individualism of the Priest and proclaims to all that he is a Priest of the Church.
The robes worn for the Eucharist are an adaptation of the ordinary clothes worn at the time of the Roman Empire. When those clothes were no longer worn everyday priests continued to wear them. These clothes tended to be left in Church and simply put on for services. This happened over time and it is almost by accident that they have come to be associated with priesthood and the Eucharist.
When vesting for the liturgy the priest first washes his hands, praying: Give virtue to my hands, O Lord, that being cleansed from all stain I might serve you with purity of mind and body.
The alb is the long white, robe-
The girdle which is a symbol of chastity, ties the alb at the waist.
The cleric prays: Gird me, O Lord, with the girdle of purity, and extinguish in me all evil desires, that the virtue of chastity may abide in me.