This feature not yet available on any Shopify theme. Inspired by dropship T-shirt stores, it makes it easy to increase conversion rates by including related products.
To config this features, you can go to Navigation and create a new menu and add the link products that you want to show on the advance product type.
Note: When adding a menu item, you must link to a Products like this
Then, you can go to the Products > Open a product which you want to show the advance product type > Enter the tag with a structure 'stylet4_handle_menu_navigation'.
In this case, it will be stylet4_advance-product-type
Finally, you can click to View to see the result :
Note: You can do the same thing by adding the tag to any product that you want to display this advanced product type on.