1. The body of the shoe should be properly leaned back. The higher the heel, the more the body should be leaned back slightly.
2. Each pair of shoes may distribute body pressure differently. The best shoes should distribute the pressure over the entire shoe, especially in the arch of the foot.
3. The inner layer of the shoe must be soft. Before buying the shoe, poke it a few times with your finger. The inner layer of the shoe should be soft, thick and elastic.