Complex sentence: It is similar in design to a cassock, but has a shoulder cape and at one time, double sleeves (which was lined and trimmed in the color of the rank of the wearer with five buttons representing the five wounds of Christ).
Split into simpler sentences: It is similar in design to a plain cassock, but has a shoulder cape. Formerly, the simar has one double sleeves (which was lined and trimmed in the color of the rank of the wearer with five buttons representing the five wounds of Christ).