Analysis of information sources in references of the Wikipedia article "Depictions of Muhammad" in English language version.
[H]e was neither too tall nor too short, rather he was of medium height among people. His hair was neither short and curly, nor was it long and straight, it hung in waves. His face was neither fleshy nor plump, but it had a roundness; rosy white, with very dark eyes and long eyelashes. His face was neither fleshy nor plump, but it had a roundness, rosy white, with very dark eyes and long eyelashes. He was large-boned as well as broad shouldered, hairless except for a thin line that stretched down his chest to his navel. His hand and feet were coarse. When he walked he would lean foreward as if descending a hill [...] Between his two shoulders was the Seal of Prophethood, and he was the Seal of the Prophets.