Hi. Having trouble navigating through your many dresses. I would like to see an "Exclude" filtre exist. Your filter is currently an Include. So have both?
So for example, I don't want to see products from "Gap".
So on your site, you currently have tick boxes.
1) Change them to radio buttons, have an include and exclude.
or
2) Have all the tick boxes ticked on entry and if you untick - this is the exclude (maybe have them as crosses)