| 摘要 |
The present invention relates to a cushion ( 20 ) for use in a shoe sole. The cushion ( 20 ) includes a medial chamber ( 26 ) for cushioning a medial portion of a wearer's foot, an internal chamber ( 40 ) disposed within the medial chamber ( 26 ) to increase a stiffness of the medial chamber, and at least one lateral chamber ( 24 ) for cushioning a lateral portion of the wearer's foot. The medial chamber ( 26 ) and lateral chamber ( 24 ) may be of unitary construction.
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