Oktoberfest Costume - Hat with Feather - Alpine Hat by FunnyPartyHats Adult size hat, hat measures 4 1/2 inch tall crown. You don't have to go to the Alps to enjoy these alpine hats. Wear these hats to any Oktoberfest celebration or any party with beer. Be the hit of the party, especially if you can find some lederhosen to wear with these fun hats. This hat has nice seam binding edge!