I’m sure most people would direct you to Marley Lilly, but I recently had an awful experience with their customer service and would not recommend them at all.
Here are some Etsy stores (in no particular order) that you might want to consider checking out:
I have ordered from HadleyandFinn and love their products.
PS. Oops! I just realised that some of those links might be Quarter Zips. I hope that’s okay.