I am sat here wearing mine. They are good kit. Stuart wrote a review on one after taking it to Alberta for one of Mors' courses. Several of the guys who just came back from Fyresdal wore them in Norway. It is not totally inflamable, it is possible for hot sparks to char the material after which it will crumble. That is what Stuart found, but I would imagine that it is less prone than a synthetic would be. It is quite a loose knit, so if a spark were to land on it, it would not bounce off all that readily, not like the Swandri. On the other hand, weight for weight it is a lot warmer than a Swandri.
The best feature for me is the high zippered neck, it is almost like wearing a scarf and does a great job of keeping your neck warm. Can't say how durable it will be over the long haul. The folk at the Country Covers stand (they make it) say that it is quite hard wearing. It is a pretty baggy garment, but can still be tucked into trousers. The sleeves are relatively long and don't have the elastic grip that some tops do. The length is great for keeping warm using the thumb loops, but the lack of strong elastic has made me avoid sliding the sleeves up too much.
I like it well enough that I am seriously thinking of getting a second (in black) to wear around town.
I bought mine straight from Country Covers/Arktis at the West Midland Game Fair. They had a show special which brought it down to about £35. I was planning on getting another when I see them at the Kelmarsh show, so sorry, am not able to suggest other suppliers.
The only problem that I have encountered with is that it fills a very similar niche as my Paramo Mountain-Vent Pullon, and now I have the dimlema of having to choose which to wear on expeditions