The major difference between the two styles is the cut and shape of the bags. The mummy bag is more confining. You can think of it like your own personal cocoon where you can go to bed at night as a caterpillar and wake up the next morning as a butterfly. You're wrapped up tight with not a lot of room to move. The rectangular bed on the other hand gets its name from its rectangular shape and lets you move your legs.
Rectangular shaped bags are the most popular and most familiar. These provide you with more room for movement within, reducing that claustrophobic feel to some degree. Because they are of a square shape they can also be zipped to a second to produce a double sized sleeping bag, large enough for two people to sleep in. Or, if you completely dislike the feel of being zipped up, you can leave the bag unzipped entirely and use it as a blanket instead. However, these bags are often fairly big, and may not be ideal for hiking trips as they can be rather bulky and awkward to carry.
Rectangular sleeping bags go as far back as the late 1800's when a mail order catalog pioneer Pryce Pryce-Jones came up with the idea to connect 2 rectangular rugs together with ties. He is considered to be the inventor of today's modern rectangular sleeping bag design. He originally came up with the idea for the Russian army so they could carry their beds wherever they needed to be. It was a revolutionary idea until the army fell to its foes. After the war he had many of these bags still left and decided to market them to the public. The idea caught on and eventually came with the option for a built in pillow for more comfort.
Sleeping Bag Wednesday , April 04th , 2018 - 20:55:12 PM
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