"Yeah? Why not? I'm more in danger of freezing. It's not comfortable, but I can get around if I need to. But it's not like we really need to train for the different temperatures--Zanarkand was a warmer climate."

He had to go through swimming in freezing temperatures, so he knows for sure he can handle it. The inner caverns of Mt. Gagazet were far from pleasant, but doable.

And if the mood hadn't been what it was minutes ago, he'd be inclined to make some remark about Roland's weird particulars with the towels, how so precise he is in handling them--but instead Tidus notices it with an inner 'this guy is weird'. He can imagine some old man doing this, too. ...maybe with not the bath towel hairdo.

"You gotta remember, you get knocked and grabbed in a blitzball game. We don't go down easy."