Question

Why shoulder bags are provided with broad straps?

Answer 1

Shoulder bags are provided with broad straps because shoulders have the tender bones with less pressure tolerating capacity. Therefore, shoulder bags and back packs come with broad straps so that the pressure falls on the straps.

Here, the surface area where the bag’s weight falls becomes large over the straps leaving less pressure on the shoulders. 

Answer 2

Shoulder bags are provided with broad straps because they help in lessening the pressure produced by the straps on the shoulders. The fact that they are broad spreads the pressure uniformly on the shoulder. This makes the bag shoulder less painful. The ratio of the bag weight to the width of the strap helps in determining the pressure of the bag.