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* Sleeping bags
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1. Purpose of sleeping bags
2. insulation
3. Form
4. Seasonality and temperature regime
5 Size
6. Recommendations for use
7. Care and storage advice
8. How to choose
9. Where can I buy
A sleeping bag is an absolutely essential item for any overnight stay in nature, unless, of course, you want to settle down with convenience, and not test yourself for survival in difficult conditions. And choosing it requires some knowledge, since there are quite a few varieties of sleeping bags, and the differences between them are drawn in various aspects.
1. Purpose of the sleeping bag
First of all, find out for yourself in what circumstances you are going to use this Turkish bed. There are such options:
· Camping . In this case, all you should be interested in is the warmth of the sleeping bag . Since to bring everything once and then stop for a long time in one place is not a very difficult task, then the severity and volume may not be particularly exciting. You can afford spacious and thick double bags for a couple who are used to lying under the same blanket, and many other luxuries.
· Weekend picnic . It is still easier here than in the previous case, because for one or two nights you need to take much less with you.
· Hike . Here, there are many factors to be taken into account. Will it be convenient to carry the selected sleeping bag in a backpack, where there will be a lot of everything you need? Will it take up too much space? Does it contain unacceptable extra grams? (By the way, in our collection there is a wonderful compact sleeping bag weighing only 700 grams.) Does it dry well, or will you have to freeze in damp rags in a couple of days?
· Extreme hike . In addition to everything listed in the previous paragraph, special attention should also be paid to the water-repellent and heat-insulating effects. And it is better not to save money - life may depend on it.
2. Sleeping bag insulation
Insulating fillers can be divided into two types to begin with: natural and synthetic. The first one includes:
- Vata is suitable for short tours. The fact is that cotton easily absorbs moisture. In addition, it is quite heavy and wears out relatively quickly. The advantage can be considered cheap and hypoallergenic.
- Fluff. The warmest sleeping bags are made from it, designed for high-mountain and arctic expeditions. For a hot and especially humid climate, it is better not to use them, since the hygroscopicity of the fluff leads to the fact that it can begin to rot. At 25% moisture, about 50% of thermal protection is lost. And down sleeping bags dry for a long time.
There are a lot of artificial materials for insulation today. Let's consider a few:
- Sintepon is the lightest, non-volumetric and cheap. The minimum temperature from which you can protect yourself with it is minus 20 ° Celsius. It dries quickly and absorbs poorly. Suitable for unstable weather, but relatively warm, for hiking. It can stray into clods from washes - after the 15th, the loss of properties is not excluded. Depending on the season, it has from one to four layers.
- Polyester. Very low thermal conductivity provides high thermal insulation at a very low weight. Even at high humidity retains its functions. There are different subtypes of fibers of this type, but they all have in common: the presence of cavities and helical twisting. This creates a fluffy non-woven material with a large number of air spaces both inside the fibers and between them. This is holofiber, and thinsulate, and many other heaters. Here is an excellent sleeping bag of the “blanket” type with such a filler.
- Silicone. The principle of operation is the same - internal channels for air. But silicone gets wet even less. By the way, this is why some polyester fibers have a silicone sheath.
Sometimes you can find a hybrid heat insulator, in which the natural part is designed to give more heat, and the synthesized one - to increase practicality. An example where 90% of sheep's wool is bonded with 10% of synthetics (to prevent knocking and rolling) can be viewed here .
3. Sleeping bag shape
There are two main ones:
· Cocoon
Broad in the shoulders and tapering towards the legs, as if repeating the contour of the body. This is done for a tighter fit. The reason is simple: you bask in your own warmth, the sleeping bag only keeps it near you, preventing it from spreading. The more free space in the bag, the more air you need to heat and maintain its temperature. Winter sleeping bags are usually made with a cocoon ( this nice green one will warm you at temperatures from -10 to plus ten Celsius). It also has a hood that wraps around the face. The tapered cut allows these sleeping bags to be even more economical in terms of volume and weight. However, despite all this, many prefer the following type.
· Blanket
Rectangular cut, fastening at the side and bottom. When completely unfastened, you get a regular bedding. It is much more comfortable for those who like to stretch out in their sleep, however, it is heavier and takes up more space. No one is immune from lightning breakage right on the hike. In this case, this type of sleeping bag can be used simply as a blanket.
Sometimes a mixed variety is distinguished, which is a blanket with a hood.
4. Seasonality and temperature conditions of a sleeping bag
There are no universal sleeping bags. And there are summer, winter and off-season (German demi-season with excellent fittings and woodland camouflage print for a wooded area, see here ). They differ, of course, in the temperatures for which they are designed. And if you intend to go hiking at different times of the year, then, accordingly, you need different sleeping bags . Otherwise, you risk freezing. Moreover, in both cases: in winter in summer - it’s clear why, and in summer in winter - it can be unbearably hot when covered, but it’s still cool when completely uncovered.
This section is very important to understand and remember. There are two main terms here:
Comfort temperature. In the strictest sense, this phrase means the lower limit of air temperature at which an 8-hour sleep of an average woman is possible without waking up from the cold. Sometimes on the labels t comf is indicated as a range. In this case, its upper limit is t max , at which one can sleep well in an unzipped bag, and the lower one is t min , at which an eight-hour sleep of an average man is achievable without awakening from cooling.
· Extreme temperature (extreme t°C) . Without understanding the issue, it can be confused with the minimum comfortable one, but such a mistake can cost a lot, so pay attention! This indicator characterizes the minimum temperature at which the sleeping bag helps to survive, protecting against hypothermia (hypothermia). That is, it is an uncomfortable 6-hour sleep without a dangerous deterioration in the thermal state of a person. For example, the waterproof Comfort Plus Olive WP offered by the Sheriff store has a textr of -20 °C.
When choosing a sleeping bag , throw another 5-8 degrees to the expected temperature in the uncomfortable direction, look for equipment with the appropriate thermal parameters. In addition, it is advisable to remember that they are installed "in an average way", without taking into account individual characteristics. You are expected to be healthy, well fed and not overtired.
5. Sleeping bag size
Firstly, portable beds are single and double. But the latest version can hardly be called a camping one, it rather suggests a permanent camp. 
Although couples usually divide their shared equipment into two backpacks, so it is possible to fit a bulky sleeping bag in one, a tent in the second, etc. P. But still, those who like to spend the night under one blanket are advised to take two sleeping bags with the option of zipping them (one has a right-hand zipper, the other has a left-hand zipper). Just in case. God forbid, one will lose functionality or be lost, at least one blanket will remain for a couple.
Single sleeping bags come in different widths, have sizes like clothes: M, L, XL, etc. However, they, of course, should not fit you like a turtleneck. It is especially important that there is enough space in the arm area. And with slightly bent knees, the fabric should not stretch too much.
As for the length of the sleeping bag, you should not take the centimeter clearly for your height. It is better to add about 15 cm more. But do not overdo it, because in an overly baggy sleeping bag there will be additional heat costs.
6. Tips for handling your sleeping bag while camping
For a long and good service of a sleeping bag, it is important to know and follow some simple rules for its maintenance.
First of all, it concerns its laying before the trip. It is necessary to assemble it for a new transition each time in a different way, chaotically, and not along the same fold lines. No need to strive to exactly repeat the strict and neat styling that you saw in the store. There it is done to give a presentation. And if you fold like this all the time, then the fluff / synthetic winterizer / cotton wool will stray at the bends. To save space in your backpack, use a compression bag.
After each stop, before packing your bedding, be sure to shake it, hang it up and dry it. On some samples there are special loops. When preparing for the night, take out a sleeping bag in advance, also shake, “fluff” and lay it down some time before going to bed. This is necessary so that it takes in air, straightens out after compression, so its thermal properties will become better. Be sure to use a karemat - this is not only additional thermal insulation, but also moisture insulation and protection against gusts. Some bags have a special pocket into which a mat is inserted so as not to roll off it in a dream.
Some travelers like to pack their sleeping bag into their backpack with a tablet without a compression bag. This gives the back of the backpack softness and apparent convenience when carried. But in this case, you risk spoiling the sleeping bag. Along with the sleeping bag, there may be food, ketchup, tubes of mosquito ointments or sharp objects (axe, hacksaw, etc.). And it’s not a fact that you will convey all this in the form in which you put it, without damage to the equipment.
7. Sleeping bag care and storage tips
Never store your sleeping bag in a shrink bag, as this can ruin it in a couple of months. Unfold it, flatten it and fold it into a regular bag and place it in a cool, dry place.
After each trip, air it for at least a day. But you don't have to wash it every time. Only when it began to smell bad or be visibly dirty. For the average tourist about once a year. And remember: firstly, no dry cleaning, and secondly, no wringing. In general, manual cleaning with special tools is preferable. At the same time, it is necessary to take out the washed thing very carefully so that the own weight of the material that has absorbed water does not tear it.
To dry, it is better not to hang it, but to spread it on the floor (so that the water is glass, you can first put it on the grate above the bathtub or basin). If the outer material of the sleeping bag is waterproof (for example, in the Military Kamo bag it can withstand a pressure of 2000 mm of water column without leakage), renew it after drying with a special impregnation.
8. Recommendations for buyers (how to choose a sleeping bag)
We hope you have already understood how to choose a sleeping bag according to its purpose, size, shape, season, temperature regime and insulation by reading the relevant sections above. However, there is something else to pay attention to.
The good quality of the seams is important, that is, they must fasten not only the outer and inner fabric, but also fix the position of the insulation between them. This means that strong lines must pass through the entire perimeter of both sides of the sleeping bag. Make sure there are. At the same time, one line should not sew the insulation to the inner and outer fabrics at the same time, otherwise there will be large heat losses in the place of such a seam.
From the inside, the zipper-fastener should be covered with a margin of fabric with insulation so that the fastening line does not become a gap that lets the cold through.
Feel also the inner material: is it pleasant to the touch, because you will have to touch it in a dream with your body and face. However, if this is the only drawback of the product you have chosen, then it will be easy to fix it with a cotton bed linen.
The outer fabric, under certain conditions of the campaign, it is desirable to have water-repellent properties. Of course, this does not mean that you will have to lie in a puddle and not get wet. In this case, we are talking about how, at high humidity, to prevent moistening of the filler and, thus, the loss of its insulating properties. 
The convenience of using a sleeping bag will be higher if it has good fittings: loops for hanging to dry, an auto-tightening at the hood, a double-sided “dog”, which can be unfastened both from the outside and from the inside, high-quality Velcro that prevents the zipper from opening.
9. Where to buy sleeping bags cheap
In Dnepropetrovsk, Sheriff offers to buy tourist and tactical sleeping bags at the best prices. You can find us at the physical address: st. Artema, 9 or virtual https://sherif.ua, call the landline number 0562-318-600 or mobile 063-798-9999 to find out about current discounts and place an order, including delivery within Ukraine to any city: Zhytomyr, Poltava , Cherkasy, etc. d.
(068) 798-0000 (063) 798-9999
