I can't think of one. I don't think much about shoes, they're just not that important. I can't think of a single time when I've even discussed this before, because it has just not been on my mind, ever really. So no, just use running shoes, or high-heels, or doc martins, or swim fins, because shoes just aren't that FUUUUUUUUUUUUUUUUUUUUUUUUUUCCCCCCCCKKKKKKKKKKKKKKK KKKKKKKKKK.