the felt hat.

This is a link to a video by Bill Cunningham on the current popularity of the felt hat in New York City.

http://www.nytimes.com/video/2013/01/25/fashion/100000002027380/bill-cunningham-antifreeze.html?emc=eta1&smid=pl-share

In the clip, Bill Cunningham references the character Annie Hall played by Diane Keaton in the Woody Allen film. Here is a photo of her floppy, felt hat.