حَدَّثَنَا حُسَيْنُ بْنُ مُعَاذِ بْنِ خُلَيْفٍ، حَدَّثَنَا عَبْدُ الأَعْلَى، حَدَّثَنَا سَعِيدٌ الْجُرَيْرِيُّ، عَنْ أَبِي الطُّفَيْلِ، قَالَ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم ‏.‏ قُلْتُ كَيْفَ رَأَيْتَهُ قَالَ كَانَ أَبْيَضَ مَلِيحًا إِذَا مَشَى كَأَنَّمَا يَهْوِي فِي صَبُوبٍ ‏.‏

Sa’id al-Jariri quoted Abu al-Tufail as saying: I saw the Messenger of Allah(PBUH). I asked: How did you see him? He said: He was white, good-looking, and when he walked, it looked as if he was descending to a low ground. Translation Not Available

Book Ref: Sunan Abi Dawud Book 43 Hadith 4864
Web Ref:  Sunan Abi Dawud Book 42 Hadith 4846