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." (JA)
English reference (JA): Book 1, Hadith 8 (JA)
Arabic reference (JA): Book 1, Hadith 9 (JA)