Is the Crua Graphene Sleeping Bag as Warm as They Claim? Temperature Truth Revealed!

I have used the Crua Graphene Sleeping Bag in the mountains for sleeping in the tent, in the car, and in alpine shelters and bivouacs at high elevations. Recently, I also tested it in winter conditions in February, and I was sleeping in the tent Crua Duo Dome from the same brand. Here you can see how the bag performed. Please read my full review in the link:
https://mountainsforeverybody.com/crua-graphene-sleeping-bag-review