Through this page, you can define size scales and assign sizes to it, and define the criteria based on which maste size scales are assigned to colorways. This is only available for master sellers and the tab will be displayed without actions for child sellers. Go to Master size scales, the following window appears:
Master size scales are listed, for each one, the Id, sizes, whether the master size scale is obsolete or not, the criteria, and status are displayed. You can add a new master size scale, import a list of size scales, edit, delete, or activate any of the size scales as mentioned in the coming sections.