This is a beautiful event, attend if you can. I have attended a Pollera parade on Calle 50 in Panama City, very beautiful. The following is from the Panama America News:
Date Change for the Thousand Pollera Parade on January 5
20 | 09 | 2012 By Editor / Web
We initially planned to conduct the parade on November 17, but was changed because by then it rains and skirts deteriorate and tarnish.