|There's a baby in my backpack!|
The only real negative with the Union so far is trying to fasten the chest/back buckle when I'm wearing him in the front. It might be possible to do by myself, but I haven't figured it out yet.
Disclaimer: I bought this myself, full price and am only sharing my opinion about it here for my own amusement and for the three people who might find it informative. I have not been compensated by Infantino or anyone else for my opinion.