A nomadic people, the Kidarites appear to have originated in the Altai Mountains region. Some scholars believe that the Kidarites were "Europid" in appearance, with some East Asian (i.e. Mongoloid) admixture. On Kidarite coins their rulers are depicted as beardless or clean-shaven – a feature of Inner Asian cultures at the time (as opposed, for example, to the Iranian cultures of South Central Asia at the time). They may have been Oghuric speakers originally, as may have been the Chionites and the Hephthalites, before adopting the Bactrian language. The Kidarites were depicted as mounted archers on the reverse of coins. They were also known to practice artificial cranial deformation.