Arc'Teryx Therme Parka vs Feathered Friends Khumbu Down Parka

I have had this for a couple of years now and when I purchased this I genuinely thought it would be a coat that would last me for 20 years. Don’t get me wrong, this may still be a coat I have in 20 years but it is hard not to ignore the few quite significant issues with this coat. Firstly, is it warm? Compared to other more insulated and lightweight jackets this is not as warm. Yes, there is insulation but it’s not thick and bouncy

The Feathered Friends Khumbu Down Parka boasts the highest warmth-to-weight ratio of all the winter jackets in our review. It weighs only 2.11 pounds, yet it provides more warmth than any other jacket in our view except the Canada Goose Expedition Parka, which is equally warm but weighs more than twice as much. Purpose-built for technical expeditions to the world's highest peaks, the Khumbu Parka packs in the features for expedition climbing