Backpack (BackPack) refers to the bag on the back. The materials are diversified. Bags made of leather, plastic, polyester, canvas, nylon, cotton and linen lead the fashion trend. In the era of increasing individuality, various styles such as simplicity, retro, cartoon, etc. also cater to the needs of fashionable people to express their individuality from different aspects. The styles of luggage have also expanded from traditional business bags, school bags, and travel bags to pencil bags, coin purses, and small sachets.
Casual backpacks are mostly fashionable, energetic and refreshing. A backpack that can highlight cuteness and youthful vitality. For example, this retro backpack in Figure 3. Retro is a popular element, and most backpacks use this element. This kind of backpack is not only fashionable, but also easy to wear. It is almost a versatile dressing style for all informal occasions. The fashionable contrast color adds a fresh taste to the whole. (Picture 3)
Students’ requirements for bags are not only the pursuit of functionality, but they also pay more attention to fashion and trends. Student backpacks generally overlap with leisure models. Due to the re-emergence of retro style, the once basic models of backpacks have returned to people’s vision. Most of these models are based on multiple colors. Backpacks that combine college and fashion characteristics such as candy colors, fluorescent colors, and prints are not only Good comments from students. These backpacks not only reveal the freshness of the academic style, but are also full of vitality and not rigid. Because of its regular style and colorful colors, it matches the students' monotonous school uniforms and ordinary casual clothes.
Most travel backpacks focus on the comfort of the shoulder straps, the breathability of the back, and the large capacity. Therefore, the general travel models are very large, but there are also stylish and large-capacity models, such as the couple travel model of the messenger backpack on the right. Fashionable retro buckets are available in retro styles, available in large and small bags. The barrel-shaped design is more colorful and stylish than the ordinary bag type. Bright colors can also add a good mood to the journey. It is very suitable for matching with pure color casual style or sports style clothes.
Nowadays, the demand for computers is becoming more and more common, and office workers have to need a backpack that can hold all kinds of files and computers. Exquisite shirts and trousers are common clothes for many office workers, and ordinary backpacks are not enough to highlight their business atmosphere. A good business backpack can not only add to the body's temperament, but also multi-functional partitions to create a new pattern in the orderly bag, and respond more quickly to emergencies. The general business models are relatively tough and three-dimensional, with a decent shirt, which can well set off the upright aura of business people.
When going out alone, you can choose a backpack of about 25 to 35 liters. When taking family and children out on holiday, from the perspective of taking care of the family, you need to choose a backpack of about 40 liters, and there are more external systems to help family members carry umbrellas, cameras, food and other items.
Due to the different body shapes and load-bearing capacities of men and women, the choice of outdoor backpacks is also different. For a short outing of one or two days, a men's and women's backpack of about 30 liters is sufficient. For long-distance trips or camping of more than 2 to 3 days, when choosing a backpack of 45 to 70 liters or larger, men generally choose a backpack of about 55 liters, and women choose a backpack of 45 liters.
For one-day round trip outings, cycling, and mountaineering activities, choose a backpack under 30 liters. For camping for two to three days, you can choose a multifunctional backpack of 30-40 liters. For hiking for more than four days, you need to put outdoor equipment such as tents, sleeping bags, and moisture-proof mats. You can choose a backpack of 45 liters or more. In addition, the backpacks used for general field activities are different from those used when climbing high mountains. The backpacks used for mountaineering do not have many parts. Those who like mountaineering should pay attention to it.
Before choosing a backpack, you first need to measure the length of your back upper body, that is, the distance from the protrusion of the cervical spine to the last lumbar spine. If the length of the torso is less than 45 cm, you should buy a small bag. If the length of the torso is between 45-52 cm, you should choose a medium-sized bag. If your torso is longer than 52 cm, you should pick a large bag.
During the camping period, the backpack should be closed to prevent small animals such as rats from stealing food. You must use a backpack cover to cover the backpack at night. Even in fine weather, dew will still wet the backpack. In the snow season, a backpack can be used as the door of the snow hole. If you are crawling in the woods or bushes, it is more suitable to load the backpack and lower the center of gravity. For camping, you can put the empty backpack under your feet and put it outside the sleeping bag. Insulate it on the cold surface to improve the sleeping temperature. Clean the backpack.
If it is too dirty, clean the backpack with a neutral detergent and place it in a cool place to air dry, but avoid exposure for too long, because ultraviolet rays will damage the nylon cloth. Basic maintenance should be paid attention to during the hiking process. The thick needle thread is specially used to sew the chair cushion and must be sewn firmly, and the nylon thread can be broken by fire. The specific method is as follows:
1. Use a small brush to clean the floating soil, which is suitable for backpacks with only floating dust.
2. Wipe with a soft towel soaked in water, and then dry, suitable for backpacks with ordinary stains (such as mud).
3. Soak in a large basin for a few days, and then rinse repeatedly. It is suitable for dirty backpacks.
4. Remove the carrying system and use the washing machine, suitable for lazy people with cleanliness.
In a cool, dry environment, avoid mold damage to the waterproof coating of the outer layer of the backpack. Check the main support points, such as the waist belt, shoulder strap, and the stability of the carrying system, and avoid deterioration or hardening of the gasket. The zipper should be replaced. , Don’t wait until things slip out of the backpack to remedy them.