Rub your hand across the cloth with the palm of your hand. It was made with split yarns if it catches something on the surface of your hand. Another way to tell is to use it to push a water spill. A split microfiber cleaning clothes will absorb water instead of pushing it around. You should be aware that while a thick, fluffy microfiber towel with a slight nap may feel softer and seem to be a better product, it is not. Better microfiber cloths are woven tighter and more firmly, giving them a firmer feel.