This X-Men photo contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, and straw hat.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.
The Brotherhood (minus Mystique) gatecrash the girls' championship soccer match (in which Jean's team is taking part) and threaten to expose mutantkind to the world.