Most likely, as I hit publish, the last official Superbowl champion hat is being rung up at Modell's in Herald Center. But they're still available online, and staff said there are lots of T-shirts available in store. You can also check Foot Locker on 34th Street for the champion hats, as they are only carrying the hats so you may get lucky there. Here's what I like from the cornucopia of Super Bowl gear:
If you don't see what you want in your size/color/style, try jcpenney online. Sadly, they do not have the Giants Super Bowl champions gear in their Manhattan Mall store, but they've got 257 products on their website, so that should satisfy your Giants gear and collectible needs.
Modell's 1293 Broadway at 34th Street
Foot Locker 120 W. 34th Street between Broadway and