Reply To: Struggling with Hat and Jacket

you are absolutely right, a shirt is not required by davening. One may wear a tunic or any other coverings that cover the required body parts as discussed in the halachic literature. Additionaly, whereas some presidents may have required a jacket in the oval office, most did not. Those that work closely with the president everyday do not necessarily put on a jacket when interacting with the president. Kal Va’chomer us, who are bnei bayit with HKB”H.