Day to day, I tend to carry mine over my shoulders as a backpack but occasionally, I hold it via the top handle for when I want to look a little more put together
Simon never used this feature, but it could be useful if you want it to carry it like a suitcase with the padded side handle or check your bag
What features will I lose when I get a lightweight travel backpack
If your commute is short, quiet, and always in daylight, fit, certification, comfort, and ventilation may be enough
If you're unsure, then initially overfill them slightly, go to a lake and flick out a lead, and if it is overfilled it will tangle a bit and you can cut off the excess line and repeat the process until you get it just right and there are no more tangles