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