The first thing we should do to prepare our backpack is to know where we are going, what kind of route we are going to take and how long it will be, to choose the right backpack.
Like any other element that comes in direct contact with the body, the backpack should offer the highest possible comfort, not being this a quality appreciable at first sight or something shared between one user and another.
Therefore, the backpack must be tested subjectively, seeking that it does not have points that can rub against the skin, that its structure is such that the weight is correctly distributed (more weight on the legs and less on the back) and that the straps do not hurt shoulders.
What we must demand to any backpack is that it has a good and correct system of anchorage to our body that allows us at all times to carry the weight glued to the back and load well balanced and centered on the hips and legs.
To achieve this, every good backpack should include the following elements: a waist belt wide enough and padded to allow the load to be carried to our hips with maximum comfort.
A chest belt to allow the weight to be brought to our back and load balancing, good padded shoulder pads that will not hurt or disturb us and load-side compression straps that will enable us to adjust the load so that it does not move during our progression. It is necessary to adjust all these elements before an exit correctly.
It is essential that the backpack has a hydration system, nowadays almost all wear it, so you do not have to be taking the backpack off every 5 minutes to get the water bottle.
There are backpacks of different size and capacity depending on the duration of the activity you are going to carry out. They are measured in liters of capacity. You have expedition backpacks (55-65 liters) for exits of 2 days or more, bags of 15 to 35 liters, for one-day outings and the backpacks of attack carrying what is indispensable to the mountain.
- Backpack (15 to 30 liters): Ideal for short excursions of 4 or 5 hours. In this type of exits in our backpack, we must carry the right and necessary
- Backpack of attack: Backpack with which the final attack is made to a peak, usually 30 to 35 liters, where only what is needed to get there to the summit and down. It is imperative that they carry piolets.
- Packing expedition or trekking (65 + 10 liters): The backpacks of the expedition are usually the most complicated to choose, since they are the ones that we will carry for the longest, besides being the heaviest. These backpacks are used for departures of several days and in which we will carry everything that we need.
Mountain backpacks do not have side pockets so as not to hinder passage through compromised areas. However, in the middle of the mountain, Trekking and outdoor backpacks are very comfortable to put in the side pockets various objects (plastic bottle (water), sun block, hat, etc.). There are also specific models for women with specific ergonomics for their back and hips.