The Prophet ﷺ was shrouded in three pieces of cloth which were made of Suhul (a type of cotton), and neither a shirt nor a turban were used.  

كُفِّنَ النَّبِيُّ ﷺ فِي ثَلاَثَةِ أَثْوَابِ سَحُولَ كُرْسُفٍ لَيْسَ فِيهَا قَمِيصٌ وَلاَ عِمَامَةٌ  

Messenger of Allah ﷺ was shrouded in three pieces of cloth and neither a shirt nor a turban were used.  

أَنَّ رَسُولَ اللَّهِ ﷺ كُفِّنَ فِي ثَلاَثَةِ أَثْوَابٍ لَيْسَ فِيهَا قَمِيصٌ وَلاَ عِمَامَةٌ