Jeju horse — a compact, strong pony-type horse. Height at withers 1100–1350 mm (average 1200–1280 mm). Weight 220–320 kg. Body length 1300–1500 mm. Chest girth 1400–1600 mm. Format index ≈1.05–1.10, massiveness index 115–125%. The head makes up 38–40% of the height at the withers. The head is relatively large, wide in the frontal part, with a pronounced profile, length 380–460 mm. The muzzle is short and wide. Ears small, erect, 110–140 mm. Eyes large, dark brown or almost black. Neck short, muscular, 450–580 mm, with a crest in stallions. Body compact, deep, with a wide chest. Back straight or slightly soft, short. Limbs strong, metacarpus and metatarsus short and thick, pastern girth 160–185 mm. Hooves wide, very strong. Tail set low, thick, long. In winter, the coat is very thick, long (up to 40–50 mm), coarse with a dense undercoat; in summer short and smooth. Skin thick, darkly pigmented. Acceptable colors: bay, dark bay, black, red-roan, bay-roan, gray (incl. dappled), dun. Differs from the base type by smaller stature, extremely thick winter coat, large broad head, strong constitution, low-set thick tail. Disqualifying: height below 1050 or above 1400 mm, piebald/spotted color, blue eyes, weak hooves.