Thus the Instruction on the Dress, Titles and Coats-of-Arms of Cardinals, Bishops and Lesser Prelates of 28 March 1969 states that, for cardinals and bishops, "the elbow-length cape, trimmed in the same manner as this cassock, may be worn over it". "Cassock", rather than "simar" is the term that is usually applied to the dress of Popes and other Catholic ecclesiastics.
Thus, the Instruction on the Dress, Titles and Coats-of-Arms of Cardinals, Bishops and Lesser Prelates of 28 March 1969 states that cardinals and bishops can wear an elbow-length cape, matching their cassock's trim. The term "cassock" is commonly used to describe the dress of Popes and other Catholic clergy.