In reply to Thugitty Jugitty:
I did damage some over trousers on a low setting on a tumble dryer once, all the seam tape fell off in one big connected mass. I read the wash instructions label and sure enough it had the dryer symbol crossed out. My fault! (the trousers seem to work just as well though)
I'd advise washing with tech wash, treating in a sink with tx direct, spin dry in machine then dripping over the bath, drying it properly by hanging up to dry. And then once the jacket is dry.. if and only if the wash instructions say you can tumble dry it!!!! -- dry for a short time on low setting.
Even though the jacket was dry when you put it in the dryer, a short while on low will fluff out the tiny surface fibres of the fabric and make it better at repelling water. If you are treating fleece/pile with polar proof, a quick go in the tumble dryer on low (after already dry) seems really effective in increasing the surface repellency.