Maybe he’d just come in from chopping logs for the fireplace and didn’t have time to change? Either that or Zero has bled him dry and it’s all he can afford to buy?
Well, we know Team Soso has bled him dry but it’s also his anxiety that’s making him dread what’s coming. That outfit must be like his Linus blanket, he should wear this then:

Sorry, not sorry. Ben, FFS at least show some respect to your colleagues! SMH…