Lambert doesn't take any offense. If anything, the observation makes him laugh. The fact that the stupid thing looks so much like a small creature on his head is part of the reason he'd picked it out in the first place.

... Wasn't it? He can't quite recall. Anyway, his hat is awesome. That's the important part here.

"It's the height of fine faerie fashion, my floppy-hatted friend," Lambert says, smirking, and reaching out to flick the brim of the hat in question. "Which is more than I can say for yours. Surprised they let you get away with that."