The Book of Clothes and Adornment
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا مُعَاذُ بْنُ هِشَامٍ، حَدَّثَنِي أَبِي، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ كَانَ أَحَبَّ الثِّيَابِ إِلَى رَسُولِ اللَّهِ صلى الله عليه وسلم الْحِبَرَةُ .Anas reported that the garment most liked by Allah's Messenger (ﷺ) was the mantle of Yemen
From Sahih Muslim, whose reports the scholars accept as authentic.