Other templates for Zen Cart
The base template is Zen Cart is called template_default.
classic is a sample custom template. You can create your own custom templates;
classic is just an example. Anything that’s not in your custom template but exists in template_default will be automatically loaded from template_default for you. Thus, when you’re building a custom template, all you need in your custom template folder are the files/folders that you’ve customized/changed/added. Everything else is taken from the default files.
Contributed responsive templates which you can use with your Zen Cart may be found in the Responsive Templates sections in the Zen Cart Plugins Directory.
responsive_classic is another sample custom template which works on mobile devices. In other words, it is responsive.
For reference, you can also view and Legacy Templates, but bear in mind that you will want your final template to be responsive (to look good on mobile devices).
See the other FAQs on the template system and overrides for more information.
Responsive Classic Template - Product Page