What categories can sleeping bags
be divided into
1. Classification by material
1. Down sleeping bags
Down sleeping bags are divided into duck down and goose down. Under the same conditions, goose down is slightly warmer than duck down. Down sleeping bags are warm, easy to squeeze, easy to keep in place, and have a long service life. The disadvantage is that the price is high and it will absorb water.
2. Cotton sleeping bag
The filling material of the cotton sleeping bag is chemical fiber cotton, and there are many kinds of it. Generally, seven-hole cotton, nine-hole cotton, and P cotton are better. The cotton sleeping bag has better moisture resistance, and the cotton sleeping bag can still maintain the warmth when it is wet. It has the advantages of easy drying and low price, but its quality is heavier than the down sleeping bag of the same level, and it is not easy to squeeze. Pressing and filling, it takes up more space in the backpack and has a shorter service life.
3. Fleece sleeping bags
Fleece sleeping bags are sewn with fleece and can be used as summer sleeping bags or sanitary sleeping bags alone. It can also be used with other sleeping bags in low temperature conditions to enhance the warmth retention effect. According to time experience, a sleeping bag with a temperature of -3 degrees can increase the thermal insulation effect by about 5 degrees after adding a fleece sleeping bag. And its temperature scale is usually between (+10??C to +25??C).
4. Feather sleeping bag
Feather sleeping bag is filled with down and cotton. It combines the characteristics of down and cotton sleeping bags. The back is made of cotton, and it is not like down to press down directly when sleeping on it, while the face is made of down, which has a better thermal insulation effect than cotton. The price is also between down and cotton. However, there are not many products in this area at present.
Second, classified by style
1. Mummy shape
This sleeping bag has a narrower foot and then goes up to the shoulders It widens at the top and ends with an insulated head pocket above the shoulders. A proper headgear should be able to tighten to prevent cold winds from blowing in. Considering that people’s feet are most likely to feel cold when sleeping, some mummy-shaped sleeping bags are particularly thick at the bottom, and some styles are also designed with thicker foot pads.
2. Semi-rectangular
This sleeping bag saves volume and weight while taking into account the requirements of sleeping comfort. Most of these sleeping bags have head pockets. In order to obtain a good thermal insulation effect, its shape is generally relatively compact.
3. Envelope shape
This sleeping bag is mostly used for camping in the wild under warm conditions. This is because the original intention of this sleeping bag is to satisfy people’s desire for camping in the wild to the greatest extent. Comfort requirements, the result is an inevitable result of more heat loss. This kind of sleeping bag can generally be used as a cushion by unzipping the zipper, and generally does not have a special head pocket.
Detailed design introduction of outdoor sleeping bags
One, the side wall of the breast wall
The early sleeping bags were generally Side walls and breast walls are rarely set up, and people find that the upper part and the zipper will leak air during use, which is not conducive to keeping warm. Therefore, the breast wall and side wall are added to the design, so that the thermal insulation of the sleeping bag is more perfect.
Second, anti-pinch lining strips
Whether the sleeping bag is fully or half-opened, a zipper needs to be installed, and when the sleeping bag is opened and closed, the zipper is often It is very inconvenient to bite the fabric, and it will bite the fabric or damage the zipper if it is not done well. In order to solve the contradiction of the zipper biting the cloth, the anti-pinch strip was added.
Third, double-head zipper
The early sleeping bags were usually single-head zippers, which opened from top to bottom and closed from bottom to top, so that the The temperature of the lower part of the sleeping bag cannot be adjusted, but the improved double-head zipper enables the upper and lower parts of the sleeping bag to be switched on and off. People can freely adjust the ventilation volume of the upper and lower parts during use, thereby adjusting the temperature in the sleeping bag.
Fourth, single and double slices
The sleeping bag can also be divided into single slices or double slices in structure. Because the double slices have better softness and warmth retention, they are medium and high-grade. The sleeping bag generally adopts the structure of double slices.
Declare: The above methods are derived from the program system index or shared by netizens. They are for your reference only and do not represent the research views of this website. sex and authority.