The dalmatic is the major liturgical vestment of a deacon, taking the place of a priest's chasuble. It matches the liturgical color, but unlike the chasuble, it has sleeves.

  The dalmatic takes its name from Dalmatia, where it was in ancient times the garb of rank and prestige in civil society. The dalmatic was reserved to the Order of Deacons by Pope St. Sylvester in 322.