Appearance
With regard to the physical appearance of Hazrat Abu Ubaidah (ra) it is stated that he was tall, slim and had a slender face. Two of his front teeth broke while he was extracting the metal rings of the helmet that were stuck in the blessed face of the Holy Prophet (sa) at the occasion of the Battle of Uhud. His beard was sparse and he used to dye his hair.
(Sheikh Shah Moinuddin Ahmad Nadvi, Siyar al-Sahabah, Vol. 3, Hazrat Abu Ubaidah bin al-Jarrah [Karachi, Pakistan: Dar al-Isha‘ah, 2004] 135)