JJ5X5's top hat is an Roblox hat obtainable on floor one of the Clothing Store in Adopt Me! JJ5X5's top hat currently can be purchased for 50 bucks in Adopt Me! Keep in mind that it is only wearable in Adopt Me! unless you spend Robux on it in the Roblox Catalog.
JJ5X5's top hat's current description in the Roblox Catalog is:
"This is JJ5x5's White Top Hat. He won it in the Roblox Humorous Video Contest on 7/25/07."