Sole for a sports shoe

Abstract

An inner sole for a sports shoe includes a top surface arranged to face a foot of a wearer of a shoe when the inner sole is arranged in the shoe. The top surface of the inner sole includes at least two textured areas. The textured areas each include a plurality of protuberances, recesses, or holes. The top surface further includes at least one untextured area not having protuberances, recesses or holes. A first textured area is located in a toe region of the inner sole, and a second textured area is located in a heel region of the inner sole.

What is claimed is: 
     
         1 . A sole for a shoe, comprising:
 an inner sole comprising a top surface arranged to face a foot of a wearer of the shoe when the inner sole is arranged in the shoe,   wherein the top surface comprises a first textured area and a second textured area,   wherein the first and second textured areas each comprise a plurality of protuberances, recesses or holes,   wherein the top surface comprises an untextured area not comprising protuberances, recesses or holes, and   wherein the first textured area is located in a toe region of the inner sole and the second textured area is located in a heel region of the inner sole.   
     
     
         2 . The sole according to  claim 1 , wherein the second textured area is located in a rearmost portion of the heel region. 
     
     
         3 . The sole according to  claim 1 , further comprising a third textured area located in a lateral portion of the heel region and a fourth textured area located in a medial portion of the heel region. 
     
     
         4 . The sole according to  claim 1 , wherein the untextured area is located in a central portion of the heel region. 
     
     
         5 . The sole according to  claim 4 , wherein the untextured area extends from the heel region along a medial region into a metatarsal region and does not extend into the toe region. 
     
     
         6 . The sole according to  claim 1 , wherein the first textured area extends from the toe region along a lateral region in a midfoot region and ends before the heel region. 
     
     
         7 . The sole according to  claim 1 , wherein the untextured area is located in a big toe region. 
     
     
         8 . The sole according to  claim 1 , wherein the untextured area is located in a medial metatarsal region and is surrounded by the first textured area. 
     
     
         9 . The sole according to  claim 1 , wherein the untextured area is located at a lateral metatarsal-to-arch transition region. 
     
     
         10 . The sole according to  claim 1 , further comprising a third textured area located in a medial metatarsal-to-arch transition region. 
     
     
         11 . The sole according to  claim 1 , wherein a density of the plurality of protuberances, recesses or holes is higher on a lateral side of the inner sole compared to a medial side of the inner sole. 
     
     
         12 . The sole according to  claim 1 , wherein the plurality of protuberances, recesses or holes comprises protuberances, and wherein a hardness of the protuberances varies across the inner sole. 
     
     
         13 . The sole according to  claim 1 , wherein the plurality of protuberances, recesses or holes of the first or second textured areas comprises protuberances, and wherein one or more of the protuberances have a pyramidal shape. 
     
     
         14 . The sole according to  claim 13 , wherein the one or more protuberances have a rounded tip. 
     
     
         15 . The sole according to  claim 1 , further comprising a textile layer, wherein the plurality of protuberances, recesses or holes are arranged on the textile layer. 
     
     
         16 . The sole according to  claim 15 , further comprising a foam layer, wherein the textile layer is arranged on the foam layer. 
     
     
         17 . The sole according to  claim 1 , wherein the plurality of protuberances, recesses or holes comprises protuberances, and wherein a height of the protuberances varies across the inner sole. 
     
     
         18 . The sole according to  claim 1 , wherein the plurality of protuberances, recesses or holes comprises protuberances, and wherein a shape of the protuberances varies across the inner sole. 
     
     
         19 . A shoe comprising the sole according to  claim 1 . 
     
     
         20 . The shoe according to  claim 19 , further comprising a midsole, an outsole or an outsole plate, wherein the inner sole is integral with the midsole, the outsole, or the outsole plate.