Patent ID: 9596905
Date: 2017-03-21
CPC Classifications: A43B

Claim:
1. A midsole structure, particularly for shoes, including shoes with a vapor-permeable sole, designed for use in sports activities, comprising: a monolithic plantar frame made of polymeric material, which comprises a reinforced rim with structural cross-members, said rim and said structural cross-members cooperating to delimit opening compartments that pass through said monolithic plantar frame in order to lead onto opposite faces of the plantar frame; at least one first vapor-permeable element that covers at least said opening compartments, which open onto a first one of said faces, the first vapor-permeable element being secured to the first one of the faces; and at least one second vapor-permeable element that covers at least said opening compartments, which open onto the second one of said faces, the second vapor-permeable element being secured to the second one of the faces, wherein the midsole structure is configured to be secured to a perforated sole which has, below said opening compartments, vapor permeation regions; wherein said structural cross-members and opening compartments extend continuously across so as to join transversely opposite portions of said rim; wherein said structural cross-members include extensions, arranged transversely to their length, that are adapted to distribute the load applied by the user on said midsole structure during use of a shoe that comprises the structural cross-members; and wherein the extensions are lobe shape.