Side Feathers for Hats & Fedoras Improve the look of your favorite hat with a new colorful side feather. These feathers will fit most any hat or fedora that you can swap in and out for all types of occasions. Simply slide the feather behind the hat band, and you'll have a new look to perk up your fedora! Feathers approximately 3"-3-1/2" Tall. Feather slides behind hat band. Gives your hat a new look. Imported.