1. Mountaineering bag Two types: one is a large backpack with a volume between 50-80 liters; the other is a small backpack with a volume between 20-35 liters, also called "assault bag". Large mountaineering bags are mainly used to transport climbing materials during mountaineering, and small mountaineering bags are generally used for high-altitude climbing or assault peaks. The backpack for mountaineering is designed to cope with extreme environments. It is exquisitely made and unique. The body is generally thin and long. The back of the bag is designed according to the natural curve of the human body. This kind of bag is waterproof, so it won't leak even in heavy rain. In addition, mountaineering bags are widely used in other adventure sports (such as rafting, crossing the desert, etc.) and long-distance trips in addition to mountaineering.
2. The big travel bag is similar to the mountaineering bag but the shape of the body is different. The front of the travel bag can be fully opened with a zipper, which is very conducive to picking and placing things. Unlike mountaineering bags, which usually put items into the bag from the top cover of the bag. inside. There are many kinds of small travel bags, so you must choose a comfortable one, not just the appearance.
3. Special bicycle bags are divided into two types: bag type and backpack type. The bag can be carried on your back, or you can hang the bag on the front handle or rear shelf of the bicycle. The backpack type is mainly used for bicycle trips that require high-speed cycling. The bicycle bag is equipped with reflective strips that can reflect lights to ensure safety during night riding.
4. Back frame bag This kind of bag consists of a bag body and an external aluminum alloy frame. It is used to carry items that are large in size and difficult to pack in a backpack, such as a photography box. In addition, many backpacks often indicate which sports are suitable for them on the signs.