Job Orientation

I am 16 and have never had a job before and I just got hired at chick fil a. I have an orientation and training next week. I am not sure what to wear. I kind of dressed up for my interviews but i dont really know what kind of dress code this would be. Please give me advice or even post some pictures or something. Thanks :) UPDATE: totally forgot to mention lol im not going to have my uniform by then. I would be wearing jt for training but they have too order it and its not going to be here.