Air circulating shoe
View Patent ↗A shoe with increased air circulating properties that includes an upper, a sole assembly, waterproof layer and a footbed. A shank that includes at least one vent is incorporated into the sole assembly. A plurality of air circulation channels are also provided in the sole assembly that are placed in fluid communication with at least one vent of the shank. Ventilation holes are further provided in the footbed and the footbed is located over the waterproof layer which is located on or in the shank to provide a liquid barrier.
1. A shoe comprising:
an upper;
a unit sole coupled to the upper, said unit sole including a central vent passage extending through the thickness of said unit sole and at least one circulation channel intersecting said central vent passage;
a shank having a vent frame that defines a vent;
a waterproof layer configured to cover said central vent passage and coupled to said shank; and
a removable footbed having a bottom surface disposed on top of said waterproof layer;
wherein said shank is coupled with said unit sole.
2. The shoe of claim 1 , further comprising an insole extending through at least a portion of said shoe, said insole being interposed between said waterproof layer and said removable footbed.
3. The shoe of claim 2 , wherein said insole extends over substantially the entire length of said shoe.
4. The shoe of claim 2 , wherein said insole is a lasting board.
5. The shoe of claim 2 , wherein said insole is adapted for Strobel stitching.
6. The shoe of claim 1 , further comprising a thermal barrier interposed between said waterproof layer and said removable footbed.
7. The shoe of claim 1 , wherein said vent frame extends through the entire length of said central vent passage.
8. The shoe of claim 1 , wherein the shank includes a circumferential flange extending outward from a top surface that is configured to engage a recess that is included in a top surface of the unit sole.
9. The shoe of claim 1 , wherein said waterproof layer is coupled to a top surface of said shank.
10. The shoe of claim 1 , wherein said waterproof layer is located within said shank.