History of Costume Illustrated Digital Vocabulary List CH 9
This photo shows a 17th century men's cape called a Balangy. It was a circular cape with a wide collar that was secured with a cord that ran under the collar, allowing the cape to hang off of one shoulder. It was named after a french military hero and were popular in the first half of the 17th century.
Source: http://www.aiguille-en-fete.com/L-univers-feerique-des-costumes-d-Ollivier-Henry-a-l-Aiguille-en-Fete-2007_a352.html