ENOfficial
Zaid b. Thabit said he saw the Prophet (ﷺ) strip to put on his ihram, and bathe. Tirmidhi and Darimi transmitted it.
Source: sunnah.com
Other translations
Arabic
عَنْ زَيْدِ بْنِ ثَابِتٍ أَنَّهُ رَأَى النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ تَجَرَّدَ لِإِهْلَالِهِ وَاغْتَسَلَ. رَوَاهُ التِّرْمِذِيّ والدارمي
sunnah.com