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.
Sleeping bags are either synthetic-filled or down-filled. Goose down bags are light weight and perfect for backpacking and on your biking trip. Renowned for its superior insulation, goose down is one of the premier sleeping bag materials made to keep the warmth in and keep the cold out. Synthetic sleeping bags are cheaper than down and usually non-allergenic. They are easier to take care of especially if spill is sponged off immediately. Sleeping bag fill will come in both short and long fibers. Many new synthetics use a "hollow fiber" method that keeps sleeping bags light and allows for good compression when packing, while still offering excellent warmth. Long fibers found in sleeping bags with synthetic fill are more stable and will be less likely to shift during use. Short fibers on the other hand, both down fill and synthetic, can shift during use, affecting your sleeping bag's loft and inviting cold air in.
Rectangular sleeping bags are the original and most common shape you'll see on the market. These are simple but effective designs and continue to dominate the market for recreational camping and slumber parties alike. While originally being just two blankets zipped together, over the years the technology has allowed manufacturers t fill them with synthetic material creating better heat retention than the old styles. Some are filled with synthetic fiber, wool, cotton or down however if you're allergic to down, this may not be an option for you. There are many debated as to which one keeps you warmer and it really just a matter of opinion. I personally don't think there is much of a noticeable difference between the fillings however synthetic fibers will not absorb water and will keep you warmer even if the bag is a bit wet. A wet down sleeping bag is very hard to dry out and is considered worse than having no sleeping bag at all. In cases where you're in a survival situation synthetic is definitely the choice you should go with. Wool tends to stay dry however it is much heavier and is harder to transport because of that extra weight. Synthetic will keep you warm however it tends to compress easier and the bottom of the bag will let cool air in because of this. Hanging them and changing the position when storing is the preferred method of many outdoor enthusiasts as this keeps them from forming dead spots where the fibers have been crushed and rendering them ineffective at keeping you warm on cold evenings.
Sleeping Bag Wednesday , April 04th , 2018 - 21:03:18 PM
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