Patent ID: 7244468

Claim:
A method of retrofitting a finished shoe to provide additional cushioning material: providing a curable composition, comprising: a base comprising at least one of a liquid latex, a liquid polymer, and a liquid elastomer; a hardener in an amount between approximately one percent and approximately three percent by volume of the curable composition, the hardener being at least one of an amine and an amine derivative, wherein the hardener facilitates evaporative curing of the curable composition; a catalyst in an amount between approximately five percent and approximately twelve percent by volume of the curable composition; providing the finished shoe; placing the curable composition directly on at least a portion of the finished shoe that is configured to contact a wearer's body when the finished shoe is being worn; and allowing the curable composition to cure and form a cushioning material adapted to facilitate wearing of the finished shoe with increased comfort, wherein the curable composition substantially cures to form the cushioning material in between approximately twenty minutes and approximately thirty minutes.