Patent ID: 7992323

Claim:
A ventilating insole assembly comprising: an air permeable layer comprising a plurality of air inlet ports at a heel portion and a plurality of air outlet ports at a toe portion; a lower insole comprising a casing set around a central area of the lower insole; and a sponge which is shaped and sized to fit within the casing and wherein the sponge is of constant thickness and comprises elastic and porous materials wherein the air permeable layer is glued to the casing of the lower insole so as to form an air chamber such that cool air around the heel portion of a user's foot is drawn and forced by weight of the user's foot into the toe portion through the air chamber and air outlet ports so as to remove humid and hot air at the toe portion of the foot, wherein the lower insole further comprises a concave trough set in a central part thereof with the casing extending around the concave trough and wherein the sponge is shaped and sized to match the concave trough, wherein the sponge is sized and shaped to extend only from an arch portion to the heel portion.