Patent ID: 7770309

Claim:
An adjustable arch support system for footwear comprising: (a) a polyurethane foam insole having a generally planar lower surface; (b) the insole having a semicircular arch which protrudes from a top surface of the insole along a central, medial edge of the insole; (c) the insole having a semicircular slot between the top surface and the bottom surface of the insole along the central, medial edge of the insole, whereby the semicircular slot underlies the semicircular arch; (d) a plurality of removable semicircular ethylene vinyl acetate foam inserts having a thickness, whereby the inserts fits into and substantially fills the slot and is flush with the central, medial edge of the insole; and (e) whereby the thickness of the inserts varies gradually such that the thickness is the greatest at a center of the insert and thinnest at a periphery of the insert.