A cope is a liturgical long mantle or cloak, open at the front and fastened at the breast with a band or clasp. It may be of any liturgical colour.
Johan Bonny, a Catholic bishop, wearing a gold-embroidered cope, Antwerp, Belgium
15th-century cope from Saint Bavo Cathedral, Ghent
Cope of the dean of Stockholm Cathedral (Lutheran), 1900-1930
A red papal cope, worn with a mitre by Pope Benedict XVI
Choir dress is the traditional vesture of the clerics, seminarians and religious of Christian churches worn for public prayer and the administration of the sacraments except when celebrating or concel
Cope
…to 377 by the year 831, were thought to be mere cloaks, for the most part of rude material and destined for common wear. It may be that their use in choir was believed to add to the decorum and solemnity of the Divine Office, especially in the winter season. In 831 one of the Saint-Riquier copes is specially…
Bishop in choir dress with train
Choir dress of a Cistercian nun: a long white cowl
Norbertine abbot in white prelate choir dress, 18th century
Monsignor Herrincx in Franciscan brown prelate choir dress