How to choose the backpack for the hiking in Carpathians

Summer is a hot season for hiking in Carpathians. Hiking requires the proper preparation and choosing of the necessary things, and the choosing of backpack is an important acpect.
Such factors as hiking duration and amount of equipment and product that you take with you affect on the choosing of backpack.
The backpacks differ primarily by their construction. They can be the easel and half easel backpacks, they are also called the frame and anatomic.
In general, there is a number of parameters, that are useful for the choosing of backpack.
Read more details in the article How to choose the backpack for the hiking in Carpathians.