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Sole and article of footwear

  • US 9,402,441 B2
  • Filed: 10/02/2014
  • Issued: 08/02/2016
  • Est. Priority Date: 12/29/2010
  • Status: Active Grant
First Claim
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1. A sole for an article of footwear, the sole comprising:

  • an outer midsole comprising;

    a row of medial outer protrusions;

    a row of lateral outer protrusions;

    a base contiguous with the medial outer protrusions and the lateral outer protrusions,wherein the medial outer protrusions protrude downward from the base along a medial edge of the outer midsole,wherein the lateral outer protrusions protrude downward from the base along a lateral edge of the outer midsole, andwherein the medial outer protrusions, lateral outer protrusions, and base together define a space of the outer midsole; and

    an inner midsole disposed within the space of the outer midsole, the inner midsole comprising an upward-facing surface coupled to a downward-facing surface of the base between the row of medial outer protrusions and the row of lateral outer protrusions,wherein the base connects the medial outer protrusions and the lateral outer protrusions transversely across the sole above the inner midsole,wherein the medial outer protrusions and the lateral outer protrusions define a portion of a ground-contacting surface of the sole, andwherein the outer midsole is an integrally formed unitary structure.

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