The same happens with the rest of the filters: colors, sizes, etc.
Also, when in the product page making a purchase, i cant select the color attribute (all other attributes are OK). The color variations appears but it can’t be selected.
Here is a video tutorial that will help you create widgets the same as on our demo https://www.youtube.com/watch?v=gp3SMkKvUvs
And you need to update the theme to the latest version.