Sur-coats are typically long and flowing outer garments, resembling cloaks or robes, that are typically worn over other clothing to provide additional warmth or protection against the elements. Often made from heavy-duty fabrics like leather or wool, sur-coats have been worn by people of various cultures throughout history, including knights, clergy members, and even royalty. Synonyms for sur-coats include frocks, tunics, cassocks, and capes, all of which share the same basic function of providing extra protection and style to the wearer. Whether you're looking to stay warm during the winter or simply want to make a bold fashion statement, a sur-coat or one of its many synonyms is sure to fit the bill.