John steps back to give him space, lofting an eyebrow at the challenge and holding out a hand to take the over-shirt off Ianto. He'll just sling it over his shoulder while they work to save it getting dirty.

"I won't," he says, "you can blame me for missing a bit. Come on."

T-shirt too, the quicker this gets done the quicker you can put it back on and they can get walking. It's not, by all accounts, a short walk after all.