Rectangle-shaped sleeping bags go as much back as the late 1800's when a mail order catalog pioneer Pryce Pryce-Jones came up with the suggestion to attach 2 rectangular carpets together with ties. He is taken into consideration to be the innovator of today's contemporary rectangular sleeping bag design. After the war he had several of these bags still left as well as made a decision to market them to the public.
An additional kind of sleeping bag is the mommy bag. Unless you are intending a trip to an extremely cold climate and resting outdoors after that you will possibly be happier with rectangular sleeping bags over a mommy style bag. These bags have a certain use as well as they are extremely particular, extremely cool weather condition, mommy sleeping bag.
Mummy bags are the tiniest resting bags as well as are very light to carry, making them optimal for those hiking trips. Lots of people could find these bags uncomfortable as they are really limiting, but they are the much better choice for outdoor camping during cool weather condition seasons because of their heat, and also hiking journeys because of their tiny dimension.