This is to ensure that nothing unwanted goes in or comes outside while washing. Dry-brush the jacket with a soft bristled nail brush or a toothbrush to remove any mud, grease or any easily removable stains.
[header] How to wash and reproof waterproof jackets and trousers [title] For jackets : [step] Jackets have to be washed with proper care. The following steps will make it clear on how to wash your jacket : [substeps] Check for any unwanted material in the jacket pockets and remove them. Now close all the zippers and velcro flaps present in your jacket.