PUMP-UP SHOES WHICH ENDOW WEARER WITH CONSIDERABLE EXERCISE EFFECT BY REINFORCING FLEXIBLE ADVANCE EXERCISE OF HIS/HER BODY BY MEANS OF SPRING ELASTICITY

摘要

PURPOSE: Provided are pump-up shoes which endow a wearer with a considerable exercise effect by reinforcing a flexible advance exercise of his/her body when lightly walking with quick steps and jogging by means of a spring elasticity of a spring device which is built in the shoes' heel. CONSTITUTION: The pump-up shoes include: an outsole support plate; a rubber boot, configuring a spring device to be assembled; an elastic spring; a crude rubber heel bottom; and an outsole support plate body with many projections.