Adjustable arch insole
View Patent ↗A removable insert for footwear has a slot placed in its medial edge which extends below the arch. An insert placed into the slot has a height which establishes how much the arch protrudes above the remainder of the top surface of the insole. Multiple inserts are provided having different thicknesses so that the height of the arch can be varied.
1. 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.