How does wearing an old shabbos hat and mismatched old shabbos jacket become a presentable uniform?
I agree. It is a bizayon to the tefilla the way some people dress in the name of frumkeit. When I was Bar Mitzvah my mother told me I can wear a hat and jacket for davening as long as the jacket matches and the hat is worn properly with the brim down.
Here’s a question for the hot, summer months: is it better to stand in front of Hashem sweating in a hat and jacket in the 100 degree heat that can take away your concentration, or to daven without the hat and jacket and be able to concentrate better and be more presentable by not dripping with sweat?