摘要 |
A highly elastic shoe sole comprises a lower layer, an upper layer, and a flexible cushion sandwiched between the lower layer and the upper layer. The lower layer is provided with a plurality of containers for holding compression springs serving to provide the shoe sole with elastic force. The upper layer of a soft material serves to provide a shoe wearer with a wearing comfort. The flexible cushion of a corrugated construction is provided in the underside thereof with a plurality of grooved portions and ridged portions corresponding in location to the containers of the lower layer.
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