A combination shock absorbing and ventilating apparatus for a foot bed of
a shoe, comprises an air chamber having at least one flexible wall
located in the foot bed of the shoe, an air intake to the air chamber, an
air outlet from the air chamber, a one-way valve on at least one of the
air intake or the outlet, at least one of the intake or outlet being
connected to the foot bed of the shoe and operative to circulate air with
the foot bed, at least one resilient member within the chamber operative
to re-inflate the air chamber, and a turbine on a sidewall of the shoe,
the turbine having a wheel, one of the air inlet or the air outlet being
connected to the turbine for directing air flow to spin the wheel.