You're gonna have to explain this because he thinks pajama pants are yoga pants.
It's funny because out of you, Bo, MB, Heis, SFD and me, I'm pretty sure I know who has by far been to the most yoga classes. And I can tell you that tight pants on tight butts is almost exclusively the preserve of sweaty adolescent fantasies - sweatpants or baggy shorts are the most common outfit in most yoga classes.