This is the most basic and popular product type. Simple products are products that are not customizable by the customer, for example, a book that has a specific set of properties, such as pages and author.
When you click on the Add Product button in the Products | Inventory | Catalog page, you are actually adding a simple product. This means that we have already added a simple product, Red Shirt:
We are going to complete the information for that product by adding the color and size available as attributes.
Go to the STORES | Attributes | Attribute Set page, select the Shirt attribute set that we created in the previous chapter, and edit that attribute set as follows:
Drag and drop the following attributes from the Unassigned Attributes list to the Groups list:
color
size
gender
As a result, the attribute set will include the attributes from the page shown in the following screenshot:
The next step is editing the Red Shirt product by going to the PRODUCTS | Inventory | Catalog...