1. The capacity of the backpack
Capacity is an important reference index of travel backpack. Generally within 3 days of travel, choose about 30L backpack can be; For more than 3 days, it is best to pack more than 50L. If you're going to a place that has a lot of specialities, choose a larger backpack so you can carry the specialities you need.
2. Quality of the backpack
Travel with things may not be a lot, but back to the things must be a lot, at this time, good quality backpack is very needed. Most of the journey is very bumpy, if the quality of the backpack is very poor, the shoulder strap, the strap is easy to crack, the thread is very loose and the thing is in trouble. So all the strap joints of the backpack need special inspection.
3. A comfortable backpack
Backpack carrying a long time, easy to card the shoulder or shoulder pressure is very uncomfortable, so the role of the shoulder strap is very important, if it is some quality and good material, it will remember the outline of your shoulder, let you carry very stable, more comfortable.
4. The fabric of your backpack
If it's rainy, buy a backpack made of waterproof material, so that if you get caught in the rain, you won't get the contents of your backpack wet. If you're not a fan of a waterproof backpack, at least add a waterproof backpack cover, which is a common accessory in sporting goods stores.
5. The Use of Backpacks
If it is mountain climbing, try to choose a mountain bag, because it is more strap, back on the body is very strong, more convenient when climbing; If a group of people travel together and want to sleep out in the wild, need to carry more items, then choose a large backpack. If it's a city trip or a regular attraction, a regular backpack will suffice-it's too big or complicated to stand in line, get in and out of security, and open and fetch things frequently