Sunan Ibn Majah, Book 32, Hadith 3695 (In-Book) ⓘ
It was narrated from Ibn ‘Abbas that the Messenger of Allah said: “The best of your garments are the white ones, so wear them and shroud your dead in them.”
حَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، أَنْبَأَنَا عَبْدُ اللَّهِ بْنُ رَجَاءٍ الْمَكِّيُّ، عَنِ ابْنِ خُثَيْمٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " خَيْرُ ثِيَابِكُمُ الْبَيَاضُ فَالْبَسُوهَا وَكَفِّنُوا فِيهَا مَوْتَاكُمْ " .
also referenced under: Hadith 3566 (Reference) & Volume 4, Book 32, Hadith 3566 (DarusSalam)