[ Lottie's eyes squint in her own display of confusion. How does she explain what his costume is.. without talking like she knows how to make one? ]

Yeah, the costume you've been wearing! Unless you actually wear this everyday or something...

[ Which would be sad. She refrains from saying so, but her expression details her thoughts perfectly. ]

Normal people don't parade around with LEDs on their head or their clothes.. Unless the one on your head is a body mod. [ A vague gesture as she grips the wall for support in this whiplash of a conversation. A conversation that probably shouldn't even be that important in the grand scheme of escaping the well, but is. ] So.. You're obviously cosplaying.