Saphir Omnidiam is a very easy to use, highly effective cleaner for suede, nuback and even textiles. Packaged with a brush, simply brush o the liquid (after brushing of your shoes), let sit for a few hours then brush agian with the same brush, using warm water this time. A quick final brushing next day with a nice suede brush and your shoes are as close to new as they are going to get.