sola de sapato e amortecimento para uma sola de sapato

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.