The Headwear item in the Animal Crossing New Horizons project belongs to the clothing item. A reasonable mix of Headwear can better decorate yourself, your home, or even an island landscape. Some Headwear items can be purchased at the Island Shop, Able Sisters, Nook's Cranny, or Nook Shopping using Animal Crossing Bells. Headwear items that are not directly purchasable can only be obtained by repeating quests. Or simply, you can choose to Buy Animal Crossing Clothing - Headwear here.