Backpacks are bags that possess two shoulder straps which allow the wearer to carry the bag on their back. Backpacks are often associated as a student's must have school accessory for carrying books, etc from class to class.
About Comfortable:
The term comfortable, as employed in the footwear industry, refers to footwear specially designed to provide adequate foot support or relief from discomfort when walking or running. The signature features of comfortable footwear are padded footbeds, broader toe boxes, contoured footbeds that follow the shape of the foot, shorter heel heights, flexible soles, greater arch support, polyurethane outer soles, and in some cases, rubber nubs on the soles to increase traction.
