You can see some of the new items in the image below. The items are free, and they include things like a sun hat, sandals, and shorts, among other things.
Pokemon Ultra Sun and Moon launch this Friday, November 17, for Nintendo 3DS. According to Polygon, this is the first time that Pokemon Go is helping to promote the release of another Pokemon game. The game reportedly did not do much or anything to promote the launch of the original Sun and Moon when they released last year.
In other news about Pokemon Go, its developer, Niantic Labs, recently pledged to continue to support the game following its announcement of a Harry Potter AR title.