During my time at AA, the female FAs were indeed required to have two pairs of shoes: "inflight and higher heels for the terminal". Ridiculous, very few conformed with these rules. I was there from the late 90s thru last December. I also remember initial training, and the ridiculous requirements for females. In my class, there was a male instructor who was in charge of "female image requirements". This was really awful and unfair. I still remember women coming out of image sessions crying.