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.
A footwear style that is charactered by a flat bottom. Flats have no heels or very low heels. Flats can be shoes, boots, or slip-ons.