It was narrated from Abdullah bin Umar that Umar bin Khattab saw a silken two piece suit (being offered for sale). He said: "O Messenger of Allah, why dont you buy this two piece suit (to wear for meeting) the delegations, and on Fridays?" The Messenger of Allah ﷺ said: "This is only worn by one who has no share in the Hereafter: (Sahih)