| 摘要 |
Footwear consisting of a sandal having a plenum adapted to receive the person's foot as well as sand or other granular material, said sand providing a natural environment walking surface between the bottom of the person's foot and the sandal mid-sole, the footwear also having a bottom sole to engage the ground, the bottom sole a part of a lower surrounding cup-like shell with upraised heel part adapted to receive and secure the mid-sole, the upper rim portions of the lower shell providing means for securing a toe strap, heel strap, and instep strap, the instep strap and toe strap being loose and not contacting the foot while the person is standing but contracting the foot when the footwear is lifted up along with the foot. The footwear completely encloses the person's foot by continuing above the forward portion of the lower shell with an upper cover, and finally a plastic top closure material to engage the person's ankle. The described invention permits the free movement of the contained granular material allowing it to re-form and continually conform to the shape of the person's foot as the person utilizes the sandal in walking, and to thereby provide a healthful and comfortable article of footwear.
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