SOLE ASSEMBLY FOR AN ARTICLE OF FOOTWEAR
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United States of America Patent
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Issued Date -
Oct 20, 2016
app pub date -
Apr 17, 2015
filing date -
Apr 17, 2015
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Abstract
A footwear construction having a strobel-stitched bottomed upper and a sole assembly with a topsole disposed above the strobel board. The topsole is manufactured from a foam having an average modulus at a stress of 535 kilopascals of from about 750 kilopascals to about 950 kilopascals. The foam also has an energy efficiency of at least about 78%, and a dynamic compression set of less than about 10%. The sole assembly may include an inner sole disposed above the topsole. The inner sole may be manufactured from EVA foam. The topsole may have a thickness of at least 1 mm, the inner sole may have a thickness of at least 3 mm, and the total thickness of the topsole and inner sole may be at least 5 mm. The sole assembly may include a midsole, and possibly an outsole, disposed below the strobel board.
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