Dear Brewed,
All your Rabbeim have the same levush?
In regards to what to wear in Yeshiva see what I wrote above #1877655.
No one ‘shrelled avek the geder’. #1880070
What was said from Mahril Diskin translates into that is was always meaning. And it originally had a point. Which was achieved in it’s day. But is now pointless because it is not a shtulz anywhere besides for in Yeshivos.
I disagree that something becomes the levush. Wear whatever works.