Patent ID: 6990754

Claim:
An insole for placing inside an insole receiving area of a slipper comprising: (A) a result of compression molding a structure comprising a foam layer having a first foam side and a second foam side, to provide an insole comprising: (i) a heel region having a heel cushioning portion and a heel perimeter portion, wherein the heel perimeter portion comprises a retaining wall that extends above the top surface of the heel cushioning portion; (ii) an arch region having an arch cushioning portion and an arch perimeter portion, wherein the arch perimeter portion comprises an arch support that extends above the top surface of the arch cushioning portion; and (iii) a toe region having a toe cushioning portion and a toe perimeter portion; and (B) wherein the heel cushioning portion comprises a contour design including a first higher density foam area and a first lower density foam area that is surrounded by the first higher density foam area, wherein the first lower density foam area is surrounded by a plurality of isolated lower density foam areas, and the plurality of isolated lower density foam areas are separated from each other by portions of the first higher density foam area.