According to Brent Yarina (@BTNBrentYarina) "#Michigan MAY debut 4th uni in #B1G play"
EDIT: as pointed out in the thread, jersey is probably basketball related. I withdraw my "clowniforms" for the time being. These looked good, yes?
And we did wear throwbacks to these in 2009
If I had to guess, it'd be a Fab 5 throwback for the Fab 5 (minus CWebb?) Love fest that is happening once the 10 year ban ends.