Reply To: Coming to shul without a jacket for davening Shachris

ubiq, you should be dressing for the RBS”O three times a day at least as well you’d dress for a once-in-a-lifetime meeting with the President or Queen in their office.

You wouldn’t dress casually. That said, what is casual differs between dressing for a meeting with a melech bosor vedom versus dressing for a meeting with the Melech Malchei Hamelachim Hakodesh Baruch Hu.