1、Capacity requirements : Determine the appropriate capacity according to the length of the climb and the number of items needed to carry. In general, the backpack capacity for a single day hike is between 20-35 liters, while a multi-day hike requires a backpack of 40-80 liters or even larger. Overnight trips or multi-day hikes may require a larger capacity to carry items such as ingredients, sleeping bags, sleeping MATS, and even tents .
2、Piggyback system : A good piggyback system is essential for a long hike. It should be able to evenly distribute the weight of the backpack in different parts of the body, such as shoulders, back, waist and hips, reduce local pressure, and improve the comfort and stability of the shoulder. Good quality carrying systems usually include adjustable shoulder straps, belts, chest straps, and suitable supports .
3、Material fabric : The material should have a certain wear resistance, waterproof, etc., to ensure the performance and life of the backpack in various outdoor environments. Different activities and seasons may require different materials of backpacks, for example, in the rainy season or humid environment, the choice of better waterproof material is more appropriate .
4、Size is appropriate : measure the back length to choose the appropriate size of the backpack, to avoid inappropriate size to increase the burden on the back or lead to insufficient force on the waist. The right size is very important to improve comfort and avoid fatigue .
5、Brands and prices : The price range of hiking backpacks is quite wide, from hundreds to thousands of yuan. When choosing, we should not only consider the price, but also consider the performance and durability of the backpack. Different brands and models of backpacks can vary in performance and design, so it is recommended to choose according to your needs and budget .
To sum up, when choosing a hiking backpack, you should choose the most suitable backpack according to your specific needs, such as length of trip, type of activity, personal physical strength, etc., considering factors such as capacity, carrying system, material and fabric