Remember that with time, from typical use, a treking sleeping bag will certainly lose its warming performance. This results from the fill obtaining a bit much more compressed. This will cause the "air pockets" to go away.
Semi-Rectangular: I call this the cross. This backpacking bag is rectangle-shaped ahead and afterwards slenders along towards the feet. With this type, you obtain added space, but not as much weight as a true rectangular resting bag. For those who are claustrophobic, like me; we can reach sleep a little better inside a bag with added room in it and still have some benefit from the form.
Requiring time to consider and also select the right resting bag may appear surface to some individuals. If you can fit inside and sleep in it, what else exists to think of? But there is a lot more you need to consider. As I mentioned before, it is the establishing element of whether or not your camping trip is a delightful one.