This seems like a simple topic. I observed that people around you are more willing to focus on the brand and price of the backpack when choosing a backpack, or that some friends with some experience will focus most of their attention on the technology and quality of the backpack. And one of the most important things seems to be always forgotten, that is - the feeling of fit.
I say this may be rejected by many people, because when people choose, they actually always pay attention to their own feelings, as if they have not ignored this point. But have you ever felt like this? 1. When you try to carry a new bag in the store, the package of 600 yuan and 1600 yuan is not very obvious. 2. The burden of problems always arises after they are bought back, and they never seem to be discovered at the time of purchase. 3, no matter what package you back, you can never find a perfect fit feeling.
If you have these problems, then it should be caused by the following reasons: 1. There is a gap between actual use and back-testing. In outdoor shops, you can't do really effective tests. Or, you don't have outdoor experience. You can't imagine how your bag will perform under certain circumstances. 2, you do not know how to try back a package, you think that as long as the deduction of the buckle, the tight tight on the line. 3, you do not understand what is the real role of those parts of the package, when you adjust it, it may run counter to your desired effect.
OK, we know where the problem is, and the solution depends on knowledge. The professional level of domestic outdoor stores is generally not high. Many outdoor store clerk is not an expert person you imagine, so let yourself be an expert.
Solution to Problem 1: In the back-testing environment, outdoor shops can only provide limited conditions, but you can use the following methods to approach your requirements as closely as possible:
A. Check the backpack's instructions for use. Genuine backpacks will have explanations about their use. There are some more intuitively given the upper limit of the load. In this way, you can probably know which packages are suitable for negative and multiple applications and in which activities. If you don't have the experience of imagining outdoor scenes, you can only consider the load and time you need.
example:
More than 1 week of continuous load more than 20 kilograms of activity - with a complex and stable carrying system, carrying a harder system material, heavy self-respect, fabric strength, volume exceeds 60L. The top US backpack is preferred. (OSPREY CRESCENT, ARC TERYX BORA, GREGORY DENALI PRO)
Activities with a load of less than 20 kilograms within 1 week - The carrying system is harder, and can maintain the shape of the bag body, the weight is less than 2. 5KG, and the volume is 50L-70L. This type of package European brand is better at and not expensive. (BIG PACK SAIPAL, FERINO PAINE)
2-3 days, within 20kg load, need to face the technical activities of complex terrain (such as steep slope climbing, karst terrain crossing) - carrying system is relatively soft, in the jaw and other technical movements can be bent, dead weight 2KG, volume Less than 60L. The U.S. backpack's lightweight models and European brand backpacks have good products. (OSPREY CERES, FERRINO SKYLITE)
We don't list all types and choices here. One is because we are too lazy to write, and the other is because everyone can do inferring from others. This is more profound than memorization.
B. When you try back at an outdoor shop, try to simulate the situation when you use it: If you have to bear the maximum weight you may bear, try to jump and run in the store for 20 minutes. Use steps and slopes. In order to buy a good package, it is cost-effective to be looked at for a while.
C. All in all, if you have no experience, you will need to collect scientific data and explanations from the official (backpack manufacturers) as much as possible, and draw up a short list accordingly. At the same time, the details of the burden are felt as close as possible to the actual simulation. You should try out multiple brands that have the same functionality, and spend the same amount of time on each package to find the best ones. It takes a few days to buy a package and soak it in the store. This is necessary and worthwhile.
Problems 2 and 3: This is actually a matter of steps and methods. Do you know the correct steps to try the package? Do you know the specific role of each part? Do you know what kind of appearance characteristics and quantitative indicators a suitable backpack should have?
First, let's determine the names of the various components that carry the system adjustment. The following content is about how to make these components work and how to determine whether the components are in the best condition.
A. Measuring the length of the trunk: Starting from the vertebrae that bulge from the back of the neck, pull the scale along the spine to the level of the upper back of the hip.
B. Measuring hip circumference: You need to measure not the waist circumference but the hip circumference. Because the belt does not sit on your hip, it comfortably surrounds it. Draw a circle at the top of the hip. This is the hip circumference.
C. Select the carrying size according to the measured figures and the size table provided by the backpack manufacturer. Most backpacks are imported, and you may have to perform a cm-inch conversion (1 inch = 2.5400 cm). At this time, only the belt size and saddle support system size can be determined, and the shoulder strap must be added later. Carrying a wide range of adjustable support packages is not a load-carrying advantage. Please keep this in mind.
D. Relax the weight belt and shoulder strap. Let the belt surround the hip bone and tighten it. Make sure your hips are not being felt.
E. Make sure that the weight belt is completely relaxed. Then tighten the shoulder straps to the front, back, and upper parts without any gaps.
F, tighten the load belt, but do not make the gap between the upper shoulder strap and the shoulder. Usually at this time, the load belt should form a 45-60 degree angle with the top of the shoulder strap.
OK, now we have followed the correct procedure. If you made no mistakes and the instructions for the package are realistic, you have almost succeeded. Next, we want to make all parts in the right place. (See above)
A. The belt surrounds the hip bone and the waistband is 10-15 cm apart.
B. There is no gap between the top and front and back of the shoulder strap and the shoulder. The top of the shoulder strap forms a 45-60 degree angle with the weight belt.
C. The distance between the end of the shoulder strap body and the armpit is 2-5 cm.
D, shoulder strap adjustment with 2-5 cm margin.
E. The strap seat (or the top of the support system) is 2-3 cm away from the raised cervical spine.
F, chest strap and clavicle from 2-3 cm.
G, carrying support system and shoulder straps completely fit the back.
H. If not, pay attention to the following fine-tuning components: 1. The joint between the load belt and the shoulder strap is adjustable front and back. 2. The combination of chest strap and shoulder strap is adjustable front and rear.
Now we can be sure that you have found a backpack of the right size. Next you need to find the best among a number of suitable packages by simulating the links used. We already know how to do it earlier. However, when the above methods are still substandard, please replace the parts or replace the other models. Otherwise, what you purchased is almost a lock.
If you need the ultimate fit, most of the bags that use the internal aluminum struts can remove the struts. You may wish to bend it according to the shape of your back. At the same time, we are not in favor of lending our backpacks to others. A package that has followed you for many years, many of its parts will be deformed according to your shape, and thus more suitable for you.
Finally, to remind everyone that each adjustment band plays a role in the distribution of forces. It may be a lot of experience in the process of use. You will find that the various parts of the body take turns to rest and understand that different force distributions can be adapted. Different terrains. And all this can be controlled by you.
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