Patent ID: 6711834
Filing Date: 2004-03-30
Classification: A43B

Abstract:
A sole structure of an athletic shoe comprising:an upper midsole that is formed of a soft elastic material and that extends from a heel portion of said sole structure to a forefoot portion of said sole structure; a lower midsole that is formed of a soft elastic material and that is disposed at least at a part of said heel portion under at least a part of said upper midsole; a wavy plate that is provided between said upper midsole and said lower midsole and that has a wavy configuration at least at said heel portion and progressing to a midfoot portion of said sole structure; an outsole fitted to a bottom surface of said lower midsole; and a shock absorbing member that is formed of a viscoelastic material having at least 70% energy loss, and that is arranged in said heel portion between said wavy plate and said outsole and extending from a rearmost end of said heel portion to a rear edge of said lower midsole in said heel portion.