A gym suit is a type of clothing typically worn for physical exercise. It usually consists of a unitard, which is a one-piece garment that covers the torso and legs. Unitards are usually made of stretchy material such as spandex or lycra, and are designed to fit snugly against the body. They are often brightly colored and may feature designs or logos. Unitards are popular among athletes and dancers, as they provide freedom of movement and comfort during exercise.