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