Hello @i-Visio,
We are pleased to inform you that your issue has been resolved. Please clear your browser cache and check your site at https://webdev.megabags.fr/valise-souple-samsonite/.
We have disabled the “Out of Stock Label” setting under XStore > Theme Options > WooCommerce > Shop Element > Product Badges. Please refer to the screenshot at https://postimg.cc/LJ34Jw3R.
Best Regards, 8Theme’s Team
