I’ve found a picture of a Black Flame Puffle Cap with details and the possible next Hoodie that could be in the next Treasure Book. Here’s how the Black Flame Puffle Cap looks:
Here’s what Disney says about this cap:
Club Penguin may be usually associated with snowy scenery, but this cap, with an adjustable rear tab, is seriously hot summer wear thanks to that blazing puffle design in a flocked outline. 100% cotton.
And here is the Great Puffle Switch Book Cover:
On the book cover you can see a penguin wearing a hoodie. That may be the next hoodie. Here’s how that hoodie would look on a penguin:
What do you think about these? The Black Puffle Flame Cap and this Red Hoodie?