Hot 97’s Summer Jam is THEE summer concert event of the year so you know everyone has to come with their fashion A game. For 2013 A$AP Rocky showed up in Hood By Air’s extremely limited run Air Morph Backpack shirt. This shirt features leather detailing and a built in back pack. Theres only 70 of these shirts available world wide at $600.00 and only in store at the Melrose Ave pop up shop in Los Angeles California.