The Doctor gave Jack a Look. "Really, though, Jack, some things are meant for practical uses."

He tugged off his tie and suit jacket before slipping into the offered suit. It felt like changing into the suit on Mars and how he felt a bit more like he was part of the environment. Not quite a native, not like Jack.

"Right," he said, straightening the collar. "We'll need to go fairly far down, it looks like."