Changing template for only one page?

Is there a way to switch templates for only my "shop" page, and keep the rest of my pages the same? Currently the template on my whole site is called Wexley, but I'd like the shop preview images to be larger... either a way to edit the coding to make the images larger, or picking a template with larger product previews?

You can't do this. If you share link to shop page, we can give some code to change image size on shop page only