US Patent 7146750 One-piece shoe construction with improved ventilation

The invention relates to a apparatus and method for providing a shoe with an upper and a sole having a top surface, where the upper is integrally formed with the sole and where the top surface has a plurality of notches. The invention further includes a footbed having a bottom surface and being removably placed on the top surface, the bottom surface having a plurality of channels. The plurality of channels are placed in communication with the plurality of notches for ventilating the shoe.