Choosing the correct backpack size is important as carrying weight incorrectly on your back can cause pain on your spine and shoulders. A study done at Stanford reports that carrying a heavy backpack “can cause severe deterioration of the lumbar on your spine” (Hossain & Tonima).
The right backpack size is one that fits along your torso and ends right on your hip. Typically measurements for your torso length and hip size are used, but we can also find the right fit by looking at your height and the types of items you'll be carrying in your backpack.
To find your perfect bag size, take our 5 question Bag Fit Finder, which you'll be able to complete in under 60 seconds: