Travel backpacks manufacturer told Oita today about the use of travel backpacks. When it comes to travel backpacks, they are actually a bit wider than mountaineering bags, and tents and mats can be attached to the sides and top of the travel bag, which increases virtually. The volume of the travel bag is increased. There is also an ice ax set outside the travel bag, which can be used for binding ice axes and snow poles. The most worth mentioning is the back structure of these travel bags. There is a light aluminum alloy inner frame to support the bag body. The shape of the back is designed according to the principle of ergonomics. The unique "S" design, and there are chest straps to prevent the straps from sliding to both sides, so that the travel bag owner feels very comfortable. And this kind of travel bag all has a strong, wide and comfortable waist belt, and the height of the strap can be adjusted. The user can easily adjust the strap to the height suitable for him according to his body. Generally speaking, the bottom of the travel bag is located above the hips, so that more than half of the weight of the travel bag can be transferred to the waist, thereby greatly reducing the burden on the shoulders and reducing shoulder damage caused by long-term loads.

　　The volume of medium-sized travel bags is generally between 30 and 50 liters. These travel bags are more widely used, such as field trips for 2 to 4 days, travel between cities and some long-distance non-camping self-help travel. Medium-sized travel bags can't be more appropriate. It can fit your carry-on clothes and some daily necessities. The styles and types of medium-sized travel bags are more diverse. Some travel bags have added some side pockets, which are more conducive to packing items. The back construction of these travel bags is much the same as the larger travel bags.

　　The bag body structure of the long-distance travel bag is similar to that of the mountaineering bag, except that the bag body is wider and equipped with many side pockets, so as to classify and place the odds and ends. The front face of the long-distance travel bag can usually be fully opened, and it is very convenient to take and place items.