Patent ID: 8281504

Claim:
An inner sole for footwear comprising: a body of the footwear; liquid containing spaces formed in the body of the footwear for sealingly and flowably containing a liquid; dam portions for dividing the liquid containing spaces into a toe region, a heel region and a middle region between the heel and toe regions; and orifices for communicating the liquid between mutually adjacent regions; at least one orifice, formed by said dam portions dividing the liquid containing spaces into the heel region and the middle region, configured to open toward an inner arch side edge portion of the body of the footwear, the at least one orifice configuration enables fluid exiting the heel region to be directed toward the inner arch side edge portion corresponding to an inner arch of the body of the footwear wherein said middle region is devoid of obstructions for enabling an eddy of liquid flowing from the heel region to all over the middle region to flow toward the inner arch side edge portion to substantially fill the whole middle region and wherein the middle region extends from the inner arch side edge of the body to an outer side edge.