Instead of the usual button-down dress shirt, Musk wore a single-breasted charcoal peacoat, which he opened wide at one point to show off the words “tech support” in large letters on a black T-shirt .

The CEO of Tesla and SpaceX (who, since recently, also has "Tunnels" listed in his Twitter description) has posted a photo of a hat with a sign "The Boring Company." SEE ALSO: Elon Musk just took ...

It feels similar to when Blue Origin owner Jeff Bezos, his space-tech competitor, began wearing a cowboy hat and boots ... be a high-quality T-shirt or maybe a polo, Musk favors message shirts ...