Because of the cuts of the two bags and also the space they supply you might discover that you're on your back sleeping in the mommy bag while the rectangle-shaped bag will certainly let you sleep on your side, tummy or back. And also depending on exactly how large the rectangular bag is you can change your body right into also one of the most one-of-a-kind but typical for you resting settings in order to get a comfy night's remainder.
If you are in the mountains and also only plan to trek Fall, summer and spring, after that obtain a 3 season resting bag. (Example: claim that the average reduced in the mountains throughout the spring is 20 levels Fahrenheit, after that take away 20 degrees and look for a sleeping bag that's ranked at 0 degrees. Draft Collar: This is a tube at the base of the hood. It "closes" off the area at the neck so that air doesn't get away. When experimenting with a bag, see to it that this tube is comfortable.
The other sacrifice is the size or thickness of the bag. A mummy sleeping bag essentially will certainly be much smaller sized for bring around which is why it is a preference for many backpackers/hikers. The rectangular resting bag isn't as small yet because it's not common to be lugging it, apart from somewhere in a vehicle while getting to your intended location, the bulkiness of the bag is not as large a problem.