Instead, it should run parallel to your back when you are walking. [substeps] If you notice the backpack sagging below your behind, there may be too much weight in the backpack or you may need to get a backpack that has a reinforced bottom so it does not sag.
[header] How to shorten backpack straps [title] Put the backpack on and adjust the straps. [step] The cushion on the top of the strap should rest evenly and comfortably on top of your shoulders. The backpack should not sag below your behind.