Abstract: A self-ventilating device for a shoe, including an air-pumping member disposed in the heel portion of the insole thereof, an ankle-protecting air bag disposed in the heel portion of the insole thereof, an ankle-protecting air bag disposed in the interior of the upper thereof, and an automatic air-controlling member communicating with the air-pumping member and ankle-protecting air bag, whereby the shoe can be effectively ventilated and protect the ankle.

Abstract: A shoe ventilation system which includes an upper having an air inlet and an air outlet disposed in the upper portion thereof, respectively, and a one-way air flowing member disposed in the lower portion thereof, an inner sole having a plurality holes in the sole portion thereof and a plurality of channels and an arch extended portion disposed in the bottom surface thereof for communicating with the air flowing member, whereby the interior of the shoe can be continuously ventilated.

Abstract: The invention relates to a ventilated shoe device utilizing air passageways and spring loaded valves to promote positive airflow resulting from compression of the sole elements, thereby providing increased hygiene and comfort, and further providing case of cleaning of the shoes through access covers.