I have the OG's and they fit true to size to a hair snug compaired to other basketball shoes. I am usually a half size to a full size smaller in running shoes as basketball shoes so if is was me, I would go with at least a 9.5.
foamposites ones are tight at first. u have to break it in and let the foam mold around ur feet. thats the reason behind the design. "Those who aren't able to find a more miserable person turn to the Internet and call other people losers, even though they've never met..."FOR SALE: LEBRON IV GOLD ALL STAR SIZE 9.5 DS WANTED: FOAMPOSITE ONE ROYAL BLUE SZ 9.5