Brie Jontry wrote, "These were spotted in use on managers at the Walmart McDonalds on Wyoming"[Blvd., in Albuquerque]:
McDonald's is leaning toward gray anyway.
There's a webpage with various styles of uniforms stores managers can choose from, but the zia t-shirts aren't in there. Local art!
(I put it in the WayBack Machine, so if you look and it's not from late 2018 and there's not much gray, the older one will be there.)