ShoePalace still has some sizes left. I just carted and copped a size 12. Goodluck.
http://www.shoepalace.com/jordan-304401-003-air-jordan-retro-6-low-chrome-mens-lifestyle-shoes-black-metallic-silver-white-limit-1-per-customer.html
^ Got you, I think calling would probably be your best option, they didn't even have any other sizes reflected online and I ended up getting one so you never know.
FYI, a medium just popped back up on the polo website. They have some other sizes floating around, just have to place a call to customer service. I just placed a phone order for a Large.
Good luck.