Ishtimalus-Samma’ and Ihtiba’, exposing one’s private part to the sky.
Sunan Ibn Majah Book 32, Hadith 11
← Previous Hadith It was narrated from Abu Sa’eed Al-Khudri that the Prophet (ﷺ) forbade two kinds of dress. Those two types of dress are Ishtimalus- Samma’* and Ihtiba’ in a single garment, with no part of it upon his private part.**

Sunan Ibn Majah Book 32, Hadith 10 Next Hadith → “The Messenger of Allah (ﷺ) forbade two kinds of dress: Ishtimalus-Samma’ and Ihtiba’ in one garment, when you are exposing your private part to the sky.”

Sunan Ibn Majah Book 32, Hadith 12