Sleeping bags are mainly used for sleeping in outdoor camping. Meanwhile, it is one of the most important equipment in outdoor camping. As consumes a lot of physical strength during the day. If you don't have a good rest at night, the next day's trip will be very difficult. Bringing a tent and setting up a tent is really inconvenient to carry on foot, and it is frustrating, so sleeping bags are indispensable equipment for field camping. The weight of the sleeping bag is very light. After being squeezed and folded, the volume will become very small, which is very suitable for going out.

If you are relatively petite, it is not suitable to choose a sleeping bag that is too large, otherwise most of the space inside will be empty, but it will be very cold. It is best to choose the one that can fit completely on your body. This is the best You need to compare and choose the right sleeping bag according to your body measurements.

When we sleep outdoors, it is often a humid environment. At this time, waterproofness is of course very important. It is best to choose the fabric of the sleeping bag that is designed to be waterproof, so you don’t need to worry about waterproofing. , In fact, the main protection is dew, here is a small experience: generally we will bring a moisture-proof pad, this pad can be placed under the sleeping bag, the advantage is that it can not only reduce the discomfort caused by sleeping on uneven ground, but also isolate The feeling of being icy and cold on the ground, even in summer, although the weather is very hot, but lying directly on the ground at night, you will still feel a cold feeling.

3. Select by the material  
If you are climbing at a high altitude, it is best to choose a cotton sleeping bag. It is a pity that you can continue to use it after soaking in water; if it is down, you can only drink enough northwest wind, and there is basically no hygroscopicity in water. In addition, the weight loss effect of a good cotton sleeping bag is not worse than that of down, so if you don’t pay special attention to your own weight, it is best to choose a cotton sleeping bag; polar fleece outdoor sleeping bags are very practical for self-driving or camping in spring and summer. If used as the inner layer of a down sleeping bag, is the best choice.

Generally, you need to choose a suitable sleeping bag according to your environment and your own cold resistance. Sleeping bags are divided into four temperature scales: comfortable temperature, target temperature, extreme temperature, and dangerous temperature.

①Extreme temperature: At this temperature, healthy women will feel cold, and there is a critical point where hypothermia is considered dangerous. Healthy men with good physique and cold resistance will also feel cold, but they can safely spend the night, which is the low temperature used by this sleeping bag.

②Comfortable temperature: Healthy women and healthy men with good physique and cold resistance will not feel cold at this temperature and will maintain their body comfort.

③Comfortable high temperature: At this temperature, healthy women will not feel cold and will keep their body comfortable. Healthy men will feel warm, but not as comfortable.

Tips: There is no specific standard for the temperature scale, there is only a reference value. We are a little conservative when purchasing, it is best not to be lower than the limit temperature scale, it can be hot but not cold!

In fact, as far as the product itself is concerned, the quality of the products of the same grade is of the same quality, and the difference is not large. It cannot be measured by which one is better, because there are many factors, such as style, function, price, reliability and so on. More importantly, start with your own needs.

First of all, you need to have a budget. The price of sleeping bags on the market ranges from 100-300 yuan, 300-500 yuan, 500-1000 yuan, and of course higher.

①If you are driving by yourself, this option is very wide. You can choose a slightly larger size, which is more comfortable to sleep in. If it is used in alpine regions or in winter, it is recommended to choose a down sleeping bag. The strength of the thermal insulation effect of down sleeping bags depends on the amount of cashmere. You can choose a sleeping bag with high or low cashmere content according to your personal needs. If it is not in the alpine area, but only used in spring, summer, autumn and three seasons, choose cotton sleeping bags. That's it, it's economical.

②If you are hiking, you must consider the size and weight of the sleeping bag. These two points are very important. The small size is easy to carry, and the light weight can reduce the load. It is recommended to choose a down sleeping bag.