(1) باب الدُّخُولِ فِي الْحَمَّامِ
Narrated Aisha, Ummul Mu'minin:
The Messenger of Allah (ﷺ) forbade to enter the hot baths. He then permitted men to enter them in lower garments.
Reference: Sunan Abi Dawud 4009
In-book reference: Book 33, Hadith 1
English translation: Book 32, Hadith 3998