Zagreus is, perhaps, not the best person to ask this particular question to.

"I...don't see the issue? It looks like a perfectly lovely outfit to me." One that fits in with the black and red exomis Zagreus is wearing. Although there is perhaps one thing their attire doesn't have in common.

"But if you feel like you need something extra, you could always add some of the skulls of your defeated foes. That's always a nice touch!"