[He moves to a spot nearby where no one's walking and sits down, pulling out the only things he thinks could be what Danny's talking about, his PokéGear (with the "Map" and "Pokédex" buttons clearly labeled - he can't read, as Danny will soon find out), the Trainer Handbook, and the Guide to Pokémon Breeding. He hands them over, then digs around in the bag some more.]

I've figured out what most of this stuff is for, but some of it I don't get. Like these.

[He pulls out three pairs of white briefs.]

If it's so hot out you can't wear more than this then why wear anything at all?