I've had stuff from the U.S delivered via Fed Ex with not a penny to pay.
Now that’s a handy looking thing. I was about to start cutting up an old foam mat anyway...
I have two of these - Bergans Morgedal Backcountry Anorak - Dark Khaki
One in Red which I use for Skiing, Hill walking etc and one in Khaki that I use for stalking. Really like it, but it does underarm zips to give more ventilation. You are welcome to borrow mine to see if it keeps you bum dry.
I’ll grant the Hilltrek jackets are superbly well designed and extremely comfortable. I wishe there were goretex ones that well made. I’ll even grant that, most of the time, in most conditions, they’re waterproof enough (and wonderfully breathable).
But if you’re out in persistently wet conditions, with a pack or rifle on, or have to crawl or lie up for any length of time, I’ve found you get soaked. And once the water is through, they do what cotton does, and turn into a giant sponge. I would have been better off in a dressing gown!
The marketing is also misleading to the point of outright lying (as I found out after my brush with hypothermia):
http://welldresseddad.com/2017/05/20/ventile-ugly-facts-they-dont-tell-you/
Think I might just stick with my issue windproof gabardine smock. You can pick one up for 35 - 40 and they are very lightweight, breathable and nice to wear. Plenty of pockets and stands up well to light rain. I can always wear my lightweight eEvent Rab walking waterproof underneath in very bad weather.