US Patent 6948263 Shoe having a multilayered insole

The invention relates to a method and apparatus for providing a shoe with a footbed, an insole having a first layer and a second layer, where the first layer includes a top surface, a bottom surface, and a hole extending from the top surface to the bottom surface. The second layer includes a top surface, a bottom location, and a hole extending from the top surface to the bottom location. Additionally, the shoe includes a protrusion extending from the footbed through the first layer to the bottom location of the second layer.