Celebrate Oktoberfest In Style. Wear this Grey Feathered Alpine Hat to show your love for Oktoberfest. This German inspired hat can be worn alone, or with an Oktoberfest costume for a memorable look. Wearing a unique Oktoberfest fedora will make your party even more special. 1 hat per package. One size fits most adults. Approximately 22 1/2 around inside of the hat. Green roping around hat with a side feather. Made of felt. Stock up on Oktoberfest costume accessories, supplies, and decorations to make your Oktoberfest bash one to remember!