Korats, RTGS: Khorat, Malet, Sisawat) are a slate blue-grey short-haired breed of domestic cat with a small to medium build and a low percentage of body fat. Their bodies are semi-cobby, and surprisingly heavy for their size. They are intelligent, playful, active cats and form strong bonds with people. Among Korats' distinguishing characteristics are their heart-shaped heads and large green eyes. They are one of a few breeds where individuals have only one color.