The Type And Purpose Of Bag

      According to the different, generally backpack capacity can be divided into three large bag.
       Large capacity in 50 litres backpack, suitable for long-distance travel and professional activities. When you go to Tibet as such regions journeys or climbing expeditions, no doubt you should choose the volume in 50 litres of large bag.
Some short-term travel if needed when camping in large backpack, because only need it can hold you go camping tent, sleeping bags and for sleeping pads.
       According to the different ways of large knapsack can be divided into the journey and use backpack. The general inclusions gangling, so that through the narrow landform, package bodies is divided into two layers with a zipper, intermediate sandwich, fetching in separate item is very convenient. The top sides and backpack can be tied to the tent and cushion, virtually increased capacity of the backpack. Outside, still clip backpack to bind the axe, poles. Most is worth mentioning the backpack back structure, there is support NaJia aluminum body of light, the back is the shape of the design according to the principle of human body engineering, the bandwidth and thick, back by human physiology curve shape of the “S” type design, and prevent braces on both sides of the chest, slide the backpack completely comfortable. And this is all a pack of strong, generous and comfortable belt, the height is adjustable straps. Users can according to their shape very convenient to adjust to the straps for their height. Typically at the bottom of the bag in the buttocks backpack weight will be transferred to the half, thereby significantly reducing the waist, shoulder the burden of reduced because of the damage caused by long-term weight shoulder. Long distance travel bag bag bag similar structure and climbing, package bodies, and is equipped with wide, so many side pockets odds will journey, classification of the backpack often can open all the face, put the goods is very convenient. The volume in medium backpack between 30-50 litres, these backpack USES more extensive, 2 ~ 4 days, and the field trip between cities and some of your journey of the camping trip, medium-sized backpack self-help is again appropriate did not pass. Take the clothes and some daily articles can hold. Medium backpack style and more diverse species. Some backpack added some more conducive to packing bags, side. The back of the structure and large bag bag roughly the same. Small knapsack volume in the backpack below 30 liters, mostly in the city in general use, of course, for 1 ~ 2 days are very suitable. Outing

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