Jaabir bin Samurah (Radiallahu anhu) says:
"Rasulullah (Sallallahu alaihe wasallam) had a wide mouth. There were red lines in the whiteness of his eyes. He had little flesh on his heels." (RU)
English reference (RU): Book 1, Hadith 8 (RU)
Arabic reference (RU): Book 1, Hadith 9 (RU)