Well, whatever floats your boat, I guess. But from the image it looks like they're definitely his. He can keep them. Not sure I'd want his castoffs so I'll buy my own fresh new PJs.
I know. 😇 I know a dad joke when I see one. I was the one who started it. 🥳 So dw: not suggesting you have a secret fetish for H-man's long johns or something.