Please Help!!! Where can i get the racing shoes that Danica Patrick wears?

I'm looking for the same shoes she wears during the races, which i believe are alpinestars. Where can i buy them? Send me a link or something that would be great. If not where can i get similar shoes to what the Indy car race car drivers wear. I think they look really cool and i want to wear even though i dont race cars. Thanks in advance.