Topis are medium-sized antelopes and range in height from 104 cm - 126 cm in males and 105 cm - 118 cm. The body of the topis is covered with a short, glossy coat that is tan in colour with purple spots underneath. The markings of the topis are either white or dark in colour. Adult males are darker than females and young calves have light markings. Topis have a long and narrow muzzle. Their horns are S-shaped and are ringed, and range in length from 30 cm - 40 cm.