ENOfficial
It was narrated from Ibn ‘Abbas that the Messenger of Allah (ﷺ) said: “The best of your garments are those which are white, so shroud your dead in them, and wear them.”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، أَنْبَأَنَا عَبْدُ اللَّهِ بْنُ رَجَاءٍ الْمَكِّيُّ، عَنْ عَبْدِ اللَّهِ بْنِ عُثْمَانَ بْنِ خُثَيْمٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " خَيْرُ ثِيَابِكُمُ الْبَيَاضُ فَكَفِّنُوا فِيهَا مَوْتَاكُمْ وَالْبَسُوهَا " .
sunnah.com