Hello,

You can hide it with the help of the theme presets. Please navigate to Theme Settings -> Settings presets -> create a condition as in the below screenshot.

https://prnt.sc/ihJSeZUQcS-W

Then edit Theme Settings of this preset and navigate to Shop -> turn off the “Size guides”.

https://prnt.sc/4XTvW-weWzj9

Here is our documentation about theme presets:

https://xtemos.com/docs-topic/theme-settings-presets/

Kind Regards