Sahih Muslim 514
صحيح مسلم#514SahihAbu Sa'id al-Khudri reported:Verily, the Messenger of Allah (ﷺ) said: The least tormented of the inhabitants of the Fire would be he who would wear two shoes of Fire and his brain would boil on account of the heat of the shoes
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:420