What Is the Most Uncomfortable Thing About Backpacks?

https://mountainsforeverybody.com/what-is-the-most-uncomfortable-thing-about-backpacks
You have seen the question in the title, and I would pint out that this is not about one thing but several of them. When they are combined, carrying a pack can be unpleasant.
When you go outdoors, you have to carry your stuff in the backpack. If you are forced to do this for hours, no doubt these are the most annoying things that you will notice:
Heavy load.
Sweating.
Load pressure on shoulders, and difficult breathing.
These elements are discussed.

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