FOOTWEAR HAVING A FILLED FLEX-FRAME MIDSOLE
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United States of America Patent
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Dec 30, 2015
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Dec 31, 2014
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Abstract
An article of footwear may include a midsole having a flex-frame defining a plurality of cells. Some or all of the cells may be substantially filled with a foam material. The flex-frame may be made of a solid material having a greater stiffness than the foam material. The flex-frame may be unitary in construction.
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