Paid theme by Invisible Themes (v5.8.3 – v7.0.0). Go to Styles & Settings → General Settings → Display to enter these settings.
Settings
Inject: After
Selector type: CSS selector
Selector: .selector-wrapper:last-child .radio__fieldset
Kiwi Injection Guide - Broadcast - After Size Variant Block
Injection settings for the Broadcast theme to place the Kiwi size chart after the size variant block. Go to Styles & Settings → General Settings → Display.