Patent ID: 7581336
Filing Date: 2009-09-01
Classification: A43B

Abstract:
1. A sole for footwear, having an upper surface which, on at least part of the heel region and the plantar arch region, at an outer edge thereof, is lower than an inner edge thereof, a highest point of said upper surface being arranged approximately at a point where a projection line of a scapho-cuneiform joint of the foot of the user, when the foot of the user rests on said sole, meets the sole, so as to obtain calcanear supination of the foot that prevents posterior tibial muscle from being fatigued during periods spent by the users standing upright or walking, said highest point of said upper surface being arranged coinciding with the inner edge of the sole, said upper surface decreasing in height just starting from said inner edge, toward the center of the sole, in a direction transverse to a longitudinal extension of the sole and then rising again to reach a height that is lower than the height of said inner edge but higher than the height of said center of the sole, and wherein said upper surface has, at a rear end thereof a depression arranged at said inner edge.