Your future clothes are packed.
2 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:16:34.294 in the DVD version of the movie.
Quote context
[...]
- I don't know. Are you sure this stuff is authentic?
- Haven't you ever seen a Western?
- Yeah, I have, Doc. And Clint Eastwood never wore anything like this.
- That's right. You haven't heard of him yet.
- All right, Doc. Look, as soon as I get there, I'll put them on. I promise.
- Okay. I think we're about ready. I put gas in the tank.
- Your future clothes are packed.
- Just in case, fresh batteries for your walkie-talkies.
- Oh! What about that floating device?
- You know, Doc, it's gonna be a hell of a long walk back to Hill Valley from here.
- You don't want to crash into some tree that once existed in the past.
[...]