Sahih Muslim
The Book Pertaining to Paradise, Its Description, Its Bounties and Its Intimates (Kitab Al-Jannat wa Sifat Naimiha wa Ahliha)
Book Number: 040 / Hadith Number: 6846
Ibn Abbas reported that he heard Allah's Messenger (may peace be upon him) deliver an address and he was saying that they would meet Allah barefooted, naked and uncircumcised.