I read in the Daily Mail today (yeah, I fail I know) that onesies/romper suits are becoming the 'in' thing for men right now. I seem to remember a few years back they were in fashion for women but now they've come back for the opposite gender.
Here's one source: Selfridges Launches Man-Gro, The Adult Babygro
Either way, seems that the rest of the world is realizing what the AB community knew a long time ago!
I also want one!