There are many different types of shoes. Athletic shoes, for example, are lightweight to make running, walking or jogging easier. The sole of the shoe is also softer. Shoes for formal wear are made of leather. They are worn for business and ceremonial functions. They are also worn for fashion. Slippers are a kind of indoor shoe. They are often worn when it is cold. Shoes with a high heel are called high heels. Tall shoes are boots. Rubber boots are used in wet places.