He gets the feeling that the Khali really will start stripping him or sending him packing if he doesn't start doing something so after a moment Ianto reluctantly moves to set down his bag and shrug off his overshirt. See? He's taking off his clothes. Please leave them alone now.

He makes a great show of removing his socks and shoes until the little fairies are satisfied and leave them be and he breathes a sigh of relief. Glancing back at John and raising an eyebrow at the other man before hissing across at him, hopefully out of the hearing of any of the nearby Khali themselves, "It's cold? Are you serious?" Alright, so it had done the trick in the end, but honestly. Also, why is he the only one who seems to have a problem with the undressing thing?