Is it possible that under extreme circumstances a Chantilly cat's fur will mat?

This is one of the easiest to groom semi-longhairs, owing to their lack of a downy undercoat that would tangle with the top coat. The fur is silky-soft, making it much less likely to tangle within itself, so that a light weekly brushing is all that is needed to stave away matted fur. There is very little shedding, and again, with a weekly brushing, there will be that much less. The one point of attention is the ears. The Tiffany has full hair in their ears, and wax build-up is one of the conditions that go with this trait. Checking the ears once a week, as part of a regular routine that includes brushing, and tooth care, should be sufficient to keep the ear canals clear.

Since a weeky brushing is needed if it is abandoned it's fur will mat.