Creating size ranges From the menu, select Basics > Size Range. Click New. Specify this information: Code Specify a code for the size range. Name Specify a name for the size range. Description Optionally, provide a description for the size range. Status Select a status. To use a size range, select Active or any user-defined status that has Active as its base status. On the Selected Sizes section, click Add. The Size library is displayed on the left pane. Select sizes to add to the size range and click Add Size. Click Save.