Kyle Johnson, owner of Bumperactive print shop here. Just wanted to say we changed the roman numerals on the green ringer tee, basically in response to the internet telling us it hated the way we were originally doing it. We thought we being clever (cause it's four-twenty, not four-hundred-and-twenty), but everyone else thought we were being stupid.
So we made a slight tweak to IV : 20 -- and you can see the updated design on our product page:
Also, Acer Platanoides and others, hemp shirts woulda been awesome. We weren't able to get them on that tight a turnaround from our distributor.... Thanks for the feedback!