The first thing you should observe at is the manufacturer's washing instructions.
If the label says you can't use the washing machine, it should be hand washed with Zeibe products. For textile garments use Zeibe Textile Cleaner and for leather garments you must use Zeibe Leather Cleaner.
Keep in mind that if you do not clean correctly the equipment, the technical characteristics of the garment can lose their qualities.
For example, the waterproofing and breathability will be damaged if the accumulated dirt obstructs the membrane.