Importance

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Abstract

A footwear for wrapping an entire foot includes a t lain body made of foam rubber. The main body is dug to embed synthetic rubber into a heel side of a bottom of the min body made of the foam rubber. The embedded part is a part from a mid point from a toe to a heel to a heel part of the bottom of the main body. Specific gravities of the foam rubber and the synthetic rubber are 0.38 g/cm³ and 1.03 g/cm³, respectively. A center of gravity of the footwear is shifted to the heel side using a difference in the specific gravity of both to increase stability such that the footwear does not fall over when the footwear is placed upside down. An opening of the footwear is further formed to be flat with respect to a ground surface when the footwear is placed upside down.

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First Claim