Product Page Layout
To adjust the layout of product pages go to Theme Editor (Shopify Admin > Themes > Customise), select 'Product Pages' from the dropdown located in the top area, then click on 'Product Page' section.
You can change the grid setting for product pages, show/hide vendor name and enable share buttons. Also you can add content blocks that will be displayed as an additional information under product description.
The theme includes 2 product page templates. You can switch between them by choosing a template from dropdown options on product editor page in Shopify Admin.