The footwear reflects the evolution of man, but more than that is an icon for women.
The history of the shoe began 10,000 years ago when the man felt the need to walk upright and to roam the planet. And because of this merely physical urgency, becau as you know it hurts like hell to walk barefoot, it was necessary to create an efficient protection to the feet to walk long distances comfortably and that would maintain body temperature! The first shoes were made with the skin of the animals they hunted.
In ancient times however, in addition to its protective function, the shoe got another dimension that was to be a reflection of social status. The Egyptians, for example, only allowed the use of sandals for the nobility and the Pharaoh could only use straps made of gold. The Romans distinguished different political echelons by the color of sandals, white for consuls and senators were brown with four black stripes. The Greeks were again the ones who created the fashion for shoes. Ever heard the expression in sound body as in mind, as it was, the beauty had a very important role in the more developed society of its era, the Greeks wore sandals in various colors, only for the sensory pleasure of looking at something beautiful that was only made for walking.
In the middle ages, the shape of the shoe got its sexual connotation, the toes more precisely, the greater the size, the higher the male sexual organ, a privilege that of course was accessible only to Kings. It was not yet an evolution without foundation, in an age devasteded by the balck plague, it was necessary to ensure fertility, or at least ostensibly shows it to society. But there was also a downside, in Italy, the Venetian women wore clogs very high and very elaborate, which prevented them from walking the streets alone, since they need support they never went to the streets alone and this was a disguised form of husbands watch over their wives. In the East, as you know for centuries, the Chinese girls of tender age were obliged to bandage their feet, a painful process that accompanied them throughout their lives, to prevent the feet from growing. An atrocious behavior, which was accepted in the society of the time as aesthetic, but deep down only aimed to confine women to the home space.