In a video with 5hensandacockatiel, American Girl revealed a outfit of Z's that will be out later this year: Z's Rain Outfit! Here it is:

It's really cool! I want it when it comes out.
AMERICAN GIRL TRIVIA: McKenna and Z, who both live in Seattle, both have rain outfits.
COMMENT DISCUSSION QUESTION: What is your favorite American Girl pet?
MY ANSWER: The Honey Puppy reminds me of my dog!