Strange I clicked on the Footlocker link in their website and it showed a list of shoes and the 30's were there, but they say excluded from discount now
Happened to me when I sized down to 10.5 (wear an 11) on the 2014 Infra red 6's, my left foot was fine it fit TTS and the toe area on the right shoe was fine but the heel killed because my right foot is bigger than my left when walking so my right shoe fit too tight giving me pain on the heel.