>From what i have read, microfiber attracts dirt, bateria, dust, virus, etc.  
>and are then deeply imbeded in the material that no amount of 
>vacuuming/washing makes them come off.  This is probably why it smells.  
>Something may  have been imbeded in the cloth and is rotting.  I  never buy 
>microfiber, they are supposed to be tossed out. They can really cause disease 
>specially these days  with super contaminants flying around.
 
Melly