Yoga pants are a type of clothing that is designed to be worn during yoga practice or other physical activities. They are typically made from stretchy, comfortable materials such as lycra or spandex and have an elastic waistband for ease of movement. The name "yoga pants" comes from their intended use in yoga classes, where they provide both comfort and freedom of movement while allowing the instructor to see your form. They are also popular as casual wear due to their comfortable fit and versatility.