Outdoor backpack, choose for yourself

Now that the standard of living is getting higher and higher, many people will choose to travel outdoors. For everyone, how to choose a suitable outdoor backpack is also a problem.
The starting point is issues such as going out of the environment, loading, and quality, considering travel time, economic factors, and personal preferences. If you have the money, you can buy foreign brands such as Ward, Archaeopteryx, etc. Domestically, you can choose Pathfinder, Kaile Stone, and Columbus; you can choose from Pulland, cross, and Arum. Specifically speaking:
One of the most ideal choices for determining the capacity of a backpack is of course a backpack that can hold all your equipment and you can carry it. (Of course, it's not just about your back, it's about to be able to carry it for days. ). Do not choose too big a backpack, although it can hold more things.
Volume: The volume of a backpack is often measured in "l" (L) units. Depending on the application, the volume can range from 30 liters (day-use) to 80 liters (long-range expedition). Most backpackers will use a backpack with a capacity of 50-60 liters because it is sufficient for general travel adventures.
Some factors that need attention:
1, sleeping bag is usually placed inside the backpack, it often requires about 15 liters of space. When using the outer stand backpack, the sleeping bag can be bundled outside the backpack, but waterproof work should be done.
2. The standard for the volume of backpacks marked by different manufacturers is often different. The same 50 litre mark, there are some differences in the size of the packages produced by different manufacturers;
3, because the backpacker's personal conditions are different (such as height, physical strength and other factors), will also affect the type of backpack you want to choose. Therefore, when choosing a backpack, it is best to ask experts in related fields (such as the salesperson of an outdoor shop).
Second, on the design of the backpack Once you determine the type and volume of the backpack you want, then the next step is to compare the design and unique features of different backpacks.
The following elements can be considered:
1. Ease of use: Of course you need an easy-to-use backpack. Loading, taking and opening and closing should be very simple. And these often depend on:
a, the number of intervals in the body of the backpack b, the design of the interval - before and after the split, up and down, or the combination of the two, the number and location of the pocket 2, functionality: At present, many manufacturers have a backpack volume adjustment function So that you can use your backpack better. Perhaps a 50 litre backpack can be adjusted to achieve a volume of 60 liters. Most backpacks of this type have 50L+ or 50L+10 on the label. This design should include: longer straps (smaller items that can be tightened within the bag); expandable enclosures (to cope with increased equipment on the way); plug-in points (more equipment can be placed outside the pack) ; Free detachable packet (daily bag).
3. Durability: Everyone hopes that a package can be used for a lifetime, unless it is outdated and does not want to use her. Then, the durability of the backpack is another important factor that you should consider. Try to pay attention to whether the backpack's materials are made of durable materials, in particular, whether the stitches on the zipper side are firm and whether the reinforced straps, strap buckles, and bag bottoms are available. In this regard, it is best to use brand-name products.
4, suture strength: including the strap belt and the body of the suture, the cover and the body of the suture, the ring and the body of the suture, the suture between the fabric, the tape and the body of the suture and so on. (The sutures in the key areas are generally multi-channel, multiple insurance).
Accessories quality: Accessories include waist buckles, all pull training, shoulder strap and chest strap fasteners, cover and body fasteners, and external fasteners. (Fasteners are components that are used repeatedly and are resistant to fatigue, are not brittle at low temperatures, and are strong and reliable).
5, fabric selection: including the degree of wear, waterproof technology, fabric severity, anti-tearing degree, softness and anti-UV degree. (Tear-proof fabrics are mostly mesh-shaped; general backpacks do not have a waterproof function and need rain cover; wear-resistant materials are mostly used at the bottom of the backpack, where the ground and rocks are most exposed). The HD number of fabrics used in backpacks is also an important index to measure the quality of backpacks. The number of HD shows the tightness of this kind of fabric weaving. Generally, the fabrics used in backpacks are mostly around 300--400HD, while the higher-grade fabrics use fabrics of 500HD or even 1000HD. At present, higher-grade backpacks will use DuPont's CORDURA fabric, which is a high-strength tear-proof product. Many manufacturers will use CORDURA to make the bottom, and it is more useful to make CORDURA for the entire backpack (such as several of BIG PACK's PERFORMIC series).
6, waterproof: Travel will inevitably encounter rain or someone else to your watering bag, then a good backpack, of course, should also have a strong waterproof performance. Although you can put a rain jacket on the bag or wear a raincoat that is large enough to cover your backpack, it is inevitable that your bag will still encounter wet backpack problems. Water resistance is not only related to the number of HD fabrics (the higher the HD number, the better the waterproofness), and more importantly, the waterproof coating inside the fabric. Nowadays, there are two kinds of PV and PU paints that are popular in the market. The performance of PU is better than that of PV. Of course, it will be more expensive, but it will be much better than pouring a pack of water.
Third, be convinced that she is suitable for your comfort is the most important factor in choosing a backpack.
When picking, it is best to carry a full package, rather than just look at an empty bag. Keep the back of the backpack as close to your back as possible, and the backpack will become part of your body. Take a few steps to see if it's comfortable. Try several different backpacks and learn how to adjust the straps and belts from the salesperson to pick the one that is most comfortable for you.
It should be noted:
1. Belt - The most important part of the system. It can carry most of the weight to your hips (to be precise, it should be the pelvis), reducing the burden on your shoulders and making you feel more comfortable;
2. Strap - Another important part of the piggyback system. A high-quality shoulder strap can be soft, comfortable and easy to adjust;
3, carrying the trip - not your backpack to walk the trip, this is from the top of the strap to the upper belt distance. This should be an itinerary that can be adjusted according to individual height conditions. Many backpackers have patented products in this area, such as the TGB (TUBULAR CARRYING SYSTEM) of BIG PACK.
In addition, it should also be noted:
1, the bottom of the backpack is double, so you can increase the durability of the backpack. The extension bag at the top of the backpack must be able to extend upwards, while the extension bag must be able to seal. The tight belt on the outside of the backpack must be able to tighten the backpack's volume and prevent it from shaking. Backpack side pockets must be easily removable.
2, the best backpack has a traction ring and ice axes, can carry crampons, snow shoes ... and other items.
3, the degree of waterproof backpack, and if the zipper failure can continue to use. The backpack must be waterproof. Although the backpack is waterproof, rain will still seep through the seams, the top of the pocket, or the zipper seam.
Fourth, after the other checks the appearance, then carry the backpack back to the mirror, pay attention to the following matters:
The skeleton of the backpack must be 2 to 4 inches above the shoulder, and the upper bag must not exceed 5 or 6 inches on the shoulder, otherwise a backpack will be selected. When carrying the belt, the center point of the belt must be in the middle of the ischium, and the end of the waist gasket should not be too close to each other, and the part with no gasket can not rub the stomach. Do not choose a belt that is too tight. Adjust the strap fixing point. The curve of the shoulder strap should be close to the back of the bearer. The shoulder strap should be about 2-3 inches lower than the top of the shoulder. Hold the shoulder strap with both hands and the fist should be lower than the armpit. The head cannot hit the top cover of the backpack and cannot obstruct the helmet. The chest strap must help the bearer overcome difficult terrain.
The above is all the precautions for choosing a backpack. You understand it.