The advertising is misleading, and you need to be aware of it because I am not the only one saying that. The pairs with the outside arch are not as supportive and relaxing as they claim. They offer comfort for a short period, but not even for 8 hours on hospital floors. The flat ones might be better, but for that money, it's more disappointing, and the money is not well-invested in a good pair of shoes. The colors are great, and they are super lightweight, but that's all there is to it.