Edit product page
By default, you can customize using the Default product template. You can also add a new template directly to the admin page instead of the default.
Steps
- In the theme editor (Customize), use the page selector to open Product > Create template. 
- Add Name in the provided field for the new template. 
- Choose the suitable value in the Based on dropdown, then select Create template. 
Product > Create template.

Add Name
