I am desperately seeking a 2 3/4 - 3" heeled classic pump that will stay comfortably on my feet. I am a medium 7 1/2 shoe size but, my heels are very narrow so all gorgeous pumps go flying off my feet. I can get away with a sling back but, I really want to be able to wear a beautiful pump. Anyone else with this same problem? Please don't recommend the sole of the foot pad or heel pads. I was actually considering having custom made shoes.