Popular paid theme by Archetype Themes (v5.2.1 – v9.1.0). Go to Styles & Settings → General Settings → Display to enter these settings.
Settings
Inject: End of
Selector type: CSS selector
Selector: .variant__label
Kiwi Injection Guide - Impulse - Below Size Label
Injection settings for the Impulse theme to place the Kiwi size chart below the size label. Go to Styles & Settings → General Settings → Display.