A calfskin suede treated during manufacture to protect it against water and stains. Contrary to popular belief, suede is not delicate and, provided it is cared for properly, is suitable for everyday wear with no problem at all.
Shoe care guide for Hydrovelours leather
Clean with slightly soapy water or ideally with Heschung shampoo. Leave to dry away from direct heat then brush lightly. Larger stains can be removed with a suede eraser or a piece of crepe rubber. From time to time, apply a light coat of waterproofing spray.
NB: Avoid suede brushes with brass bristles which are too harsh