وَعَنْ أَنَسٍ رَضِيَ اللَّهُ عَنْهُ
قَالَ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: إِذَا أَرَادَ الْحَاجَةَ لَمْ يَرْفَعْ ثَوْبَهُ حَتَّى يَدْنُوَ مِنَ الأَرْض
When the Prophet (sallallahu alayhi wa sallam) wanted to relieve himself he did not raise his garment till he was near the ground.
Mishkat al-Masabih 322, Book 4, Purification, Hadith 58. 1 min read