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Internal liner for a boot

  • US 5,924,218 A
  • Filed: 05/01/1997
  • Issued: 07/20/1999
  • Est. Priority Date: 11/10/1994
  • Status: Expired due to Fees
First Claim
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1. A liner for a boot, said liner comprising:

  • at least one wedging element;

    said wedging element consisting of a thermoplastic foam; and

    said wedging element having micro-perforations for increasing flexibility and elasticity of said wedging element, for rendering said wedging element permeable for evacuation of sweat, and for allowing for good and rapid diffusion of heat;

    said micro-perforations being through-holes, extending through a thickness of said liner, from a first to a second surface of said liner.

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