Abstract: A multi-function ventilated insole is provided with an elastic airbag disposed within a heel and including upper and bottom layer sections; a check valve on the rear of the elastic airbag; two spaced channels each extending from the elastic airbag to a plantar arch portion, each channel including vent holes disposed from a front end to an intermediate portion, and a rear concealed tunnel extending to communicate with one outlet; a flexible main support in the top layer section; two spaced flexible auxiliary supports in the top layer section and contacting both sides of the main support; recesses on top of a front portion of the insole, each recess having a knob; a curve protrusion on the insole; a protuberance on the insole between the front ends of the channels; and a cavity on the insole between the protrusion and the protuberance.

Abstract: A sole assembly of a shoe includes an outsole (6); and a socklining (1) on top of the outsole (6) and comprising an air chamber (3) in a heel region; a airbag (2) in the air chamber (3), the airbag (2) including a plurality of front outlets (21) for expelling air from the airbag (2) forwardly, and a rear check valve (20) for permitting air to enter the airbag (2) but not to exit the airbag (2); and a resilient support (22) in the airbag (2).

Abstract: Breathing shoe, comprising an upper and a lining, socklining, insole and outsole, an airbag on the heel seat of the outsole. The airbag is connected with an air pipe, which extends between the inner layer and the outer layer of the upper. The portion of the air pipe on the upper is provided with punch holes such that the airbag is in communication with the interior of the shoe. The shoe produces air circulation between the interior and the exterior of the shoe for air purification and to maintain a dry and ventilated environment within the shoe.

Abstract: A Breathing Shoes, comprising an upper and lining, socklining, insole, and outsole, wherein on the heel seat of outsole was put an airbag. The airbag was connected with an air pipe, which extends to the extension between inner layer and outer layer of upper. Portion of the air pipe on the upper was provided with air punching holes communicated with the atmosphere of in and out. The shoe could carry out circulation of air between interior and exterior of shoe for air purification and always keeping a dry and ventilating environment within the shoe.