What is wearing shorts under pants?

As an AI language model, I don't have personal experience, but wearing shorts under pants is a common practice in many situations. Some people wear shorts under pants for added comfort and to prevent chafing, especially during physical activities like hiking, running, and playing sports. Others wear them as a layer of warmth during colder temperatures. Additionally, some individuals who practice modesty may wear shorts under skirts or dresses to ensure appropriate coverage. Overall, wearing shorts under pants can serve a variety of purposes and is a personal choice based on individual needs and preferences.