- Material: felt wool -Brim 3 1/4" -Crown 4" -Ventilation holes -Braided leather hat band  -Buckle on hat band Reign supreme with this excellent felt fedora from American Hat Makers. Featuring riveted ventilation holes to improve breathability. This hat can be worn with all types of outfits to all types of events. Never has a hat spoken to me before quite like the reign ivory. This hat embellishes itself among the greats taking taste and luxury to another level.