Article of footwear

Abstract

An article of footwear has a sole with a plurality of spaced apart pillars extending upwardly from a base surface defining passageways therebetween. The sole may include a vent allowing air to circulate through the passageways. An insole may rest on the plurality of pillars and may have a plurality of perforations therethrough that intersect the passageways.

1 . An article of footwear comprising: 
 a sole having a heel portion, a toe portion and a shank portion;    a vent;    a plurality of pillars extending upwardly from a base surface of the sole defining air circulation passageways therebetween;    an insole having an upper surface and a lower surface, the lower surface resting on the plurality of pillars, the insole further having a plurality of perforations therethrough intersecting the air circulation passageways;    whereby air is free to circulate between the upper surface of the insole and the vent through the air circulation passageways.    
     
     
         2 . The article of footwear of  claim 1  wherein the insole is removable.  
     
     
         3 . The article of footwear of  claim 1  wherein the upper surface of the insole is covered with a fabric.  
     
     
         4 . The article of footwear of  claim 1  further comprising an upper attached to the sole.  
     
     
         5 . The article of footwear of  claim 4  wherein the upper and sole comprise a single molding.  
     
     
         6 . The article of footwear of  claim 1  wherein the lower surface of the insole has a plurality of channels formed therein.  
     
     
         7 . The article of footwear of  claim 1  wherein the vent is disposed in the shank portion of the sole.  
     
     
         8 . An article of footwear comprising: 
 a sole;    an upper attached to the sole;    a plurality of spaced apart pillars extending upwardly from a base surface of the sole.    
     
     
         9 . The article of footwear of  claim 8  further comprising an insole having an upper surface and a lower surface, the lower surface resting on the plurality of pillars.  
     
     
         10 . The article of footwear of  claim 8  wherein the pillars are configured to correspond to pressure points on a wearer's foot.