While walking and running are similar (and some people do both) there are differences between the 2 types of shoes. All about walking shoes vs running shoes
Shoes are necessary, utilitarian, and mostly mandatory. They are also fun, creative, and wonderful expressions of our creativity and personality. In that expression of our personality, many of us gravitate toward different shoe fads. Shoe fads usually take one aspect of a regular shoe and exaggerate it. That means new fabrics, unusual lines, and even extreme heights.