I think I would clean them like suede. There is a little brush made for suede that brushes up the nap on the suede. Works wonders. I think you should be able to find one at a shoe store or shoe repair shop. Never wet your suede.
Imitation Suede
It is not recommended to clean suede with alcohol. Alcohol can damage the delicate fibers of suede and cause it to dry out and become discolored. It is best to use a suede brush or professional suede cleaner for maintenance.
Suede is usually cleaned with a stiff brush
I use a product called a nubuck block; it resembles a crumbly soap bar. You rub the block into the suede to clean it.
To clean suede sofas with home products you can vacuum the sofa on a weekly basis to collect the heavy dirt. Use a suede napping brush to remove dust and regularly wipe the sofa down with a suede cleaning cloth.
To clean a suede leather couch, use a soft-bristled brush or a suede brush to gently lift dirt and restore the nap. For stains, consider using a suede eraser or a specialized suede cleaner. Avoid water, as it can damage the material; instead, spot clean with a dry method. Always test any cleaning product on a hidden area first to ensure it doesn't damage the suede.
you buy a shoe cleaner for suede at foot action, finish line, footlocker, etc
dry cleaners
A suede book will need to be kept dry and clean. Brush the suede cover very gently with a light brush and be careful where this is stored.
i think its cow skin It has nothing to do with cows. It is a imitation suede fabric that has a brushed look on the right side of the fabric. It is a knit fabric, which you can clearly see from the wrong side, and it is made from polyester. It looks like velour, but is a lighter weight.
They call Penny Loafers Penny Loafers because they are loafers in you put pennys in them
Use a clean toothbrush and a damp sponge using a conditioning liquid silicone and there you have a softer suede garment