Patent ID: 9516920
Filing Date: 2016-12-13
CPC Classification: A43B,A43C

Claim Text:
1. A footwear structure for a wearer's foot comprising: (a) a shoe having a toe box, a heel cap, an inner or medial sidewall and an outer or lateral sidewall connecting the toe and heel cap, and having an insole and a midsole; (b) a first gap in the medial sidewall extending upwardly from the insole and adapted to be aligned with the wearer's medial malleolus; (c) a second gap in the lateral sidewall extending upwardly from the insole and adapted to be aligned with a wearer's lateral malleolus; wherein the first gap is positioned, in a longitudinal direction of the shoe, forward of the second gap; (d) The position of the first and second gaps adapted to provide an external malleolar torsion of from 13° to 18°; (e) a first adjustable closure system mounted on said sidewall for adjustably closing said first gap; and (f) a second adjustable closure system mounted on said sidewall for adjustably closing said second gap.