Steenbok are petite, weighing 7-16 kg and measuring 70-95 cm in length. Unlike the crouched stance of forest duikers, steenbok carry their heads high and have long legs, with a shoulder height between 45 and 60 cm. The hindquarters and lower parts/belly are pure white. The male Steenbok have upright, slender horns projecting above the eyes. Conspicuous black, facial glands are situated in front of the large, dark brown eyes. These pre-orbital glands are noticeable in both sexes.