The Stacey Adams wool felt homburg hat, for formal occasions, signified by its single dent in the center of the crown, also called a gutter grown, with a stiff brim kettle curl shape with bound trim.
Stacey Adams pin and optional feather on a grosgrain trim and bow. Interior is a leather sweatband and smooth satin lining.
Typically a formal hat, it should not be a replacement to the top hat. Made famous by Edward VII after visiting the town of Bad Homburg in Hesse, Germany, he was flattered when the style was later popularized.