Female's: These tend to be a bit more slim on the shoulders. Wider at the hips together with added extra padding in the top body and also foot box. Mommy: Mummy sleeping bags are portioned wider at the shoulders and also more narrow around the feet. These kinds of bags are the most "tight" fitting bags as well as consequently are also a lot more successful in keeping you warmer, attributed to the lack of airspace between your body as well as the bag. Length: Must you be taller when compared to the "average bear", there are backpacking sleeping bags that come in prolonged sizes.
It is very important to bear in mind though that the temperature rankings are overviews for recommendation only. Because, much like spicy food, consuming a jalapeno pepper for some isn't really a big deal ... but for others eating one would certainly seem like it would melt the skin straight off their tongue. The exact same goes with a sleeping bag. A +20 level rating would indicate that for most the bag would certainly be cozy sufficient. The most effective way to pick a cozy enough bag is to go with one that handles a 10 degree chillier weather condition than what you're anticipating to be sleeping in. Selecting in that manner needs to have you ... covered. (No pun planned.) And once more of course, appropriate sleep wear should fit the chillier or warmer demands you may have.
The last greatest factor to consider in selecting a bag is the insulation that is used in that bag. While both will do the work to maintain you warm, they both have their pros as well as cons. Some kind of extra padding under the bag is very advised.