I had a vital, there's alot of spare material in the back of the vital... Can be quite flappy in a head wind. Comfortable and breathed quite well, I liked the chest popper.
I sold mine after a couple of uses. The wife still uses hers.
You can order direct from the Rab website https://rab.equipment/uk/vital-windshell-hoody
Or you can go to Cotswold Outdoor as they can order anything that is showing on the Rab website.