Comfortable shoes

The utility model discloses comfortable shoes. Each shoe is composed of a shoe sole and a shoe upper, the shoe upper is connected with the shoe sole through sewing lines, a poly urethane (PU) structure layer is compounded in the shoe sole, the front end and the rear end of the shoe sole upwards rise to form certain radian, and rectangular grooves are arranged on two sides of the PU structure layer so as to lighten materials and reduce cost. By means of the structure, the comfortable shoes can well support and stabilize feet, lighten damage on knees, have motion kinetic energy in walking and can achieve the comfortable effects.