Been using/testing in weather at 30-50. Keeps the warmth inside. Works very well. Soft flannel inside and very comfortable. Bag is pillow like and light weight for a double size bag. Smooth operating zippers.
Only negative is the bag came with no information pamphlet. Temperature rating?
Not enough information online about this item.
I don’t used yet but the quality is like to roof top tent ⛺️