These scales can help maintain water from penetrating deeply to the fur. Because of this when cats may get soaked, their fur can repel some moisture, allowing for them to shake off gentle rain or splashes. I've personally experienced success with equally leather and microfiber. I especially recommend microfiber – https://www.propanraya.com/cat-waterproofing-terlengkap-dari-propan-untuk-perlindungan-optimal